[Allen, L. (1999). Encyclopedia of Money. Santa Barbara, USA: ABC-CLIO Inc.]Search in Google Scholar
[Black, J. (1997). Oxford Dictionary of Economics. 2nd Edition. New York, USA: Oxford University Press Inc.]Search in Google Scholar
[Buffett, H. (1948). Human Freedom Rests on Gold Redeemable Money. Reprinted from The Commercial and Financial Chronicle 5/6/48. Retrieved December 22, 2009, from http://fame.org/PDF/buffet3.pdf.]Search in Google Scholar
[Dawood, N. J., Ed. & Abridg. (2005). Ibn Khaldun, The Muqaddinah: An Introduction to History. Translated by F. Rosenthal. New Jersey, USA: Princeton.]Search in Google Scholar
[Freire, M.V. (2009). Social Economy and Central Banks: Legal and Regulatory Issues on Social Currencies (Social Money) as a Public Policy Instrument consistent with Monetary Policy. International Journal of Community Currency Research, 13, 76-94.]Search in Google Scholar
[Gesell, S. (1918). The Natural Economic Order. Translated by Philip P.M.A [e-book]. Retrieved April 30, 2008, from http://www.scribd.com/doc/12347428/GesellSilvioTheNaturalEconomicOrder#documentmetadata.]Search in Google Scholar
[Gnazzo, D.V. (2009). The Constitution: On Legal Tender & Lawful Money. Financial Sense [Online] (Updated 10th November, 2009). Retrived November 19, 2009, http://www.financialsense.com/fsu/editorials/gnazzo/2009/1110.html.]Search in Google Scholar
[Greco, T. H. Jr. (2001). Money: Understanding and Creating Alternatives to Legal Tender. Canada: Chelsea Green Publishing Company.]Search in Google Scholar
[Greco, T. H. Jr. (2004). The Need for Monetary Reform and the Status of the Movement. Retrieved April 14, 2009, from http://www.reinventingmoney.com/documents/MonetaryMovementStatus pdf.]Search in Google Scholar
[Greco, T. H. Jr. (2009). The End Of Money And The Future Of Civilization. Vermont, USA: Chelsea Green Publishing Company.]Search in Google Scholar
[Hasan, Z. (2007). Ensuring exchange rate stability: Is return to gold (Dinar) possible? Munich Personal RePEc Archive [Online] (Updated 8th April, 2008). Retrieved January 31, 2009, from http://mpra.ub.uni-muenchen.de/8134.]Search in Google Scholar
[Hornberger, J. G. (2000). Legal Tender and the Civil War. The Future of Freedom Foundation [Online].RetrievedNovember 23, 2009, from http://www.fff.org/freedom/1100a.asp.]Search in Google Scholar
[Hülsmann, J. G. (2004). Legal Tender Laws and Fractional-Reserve Banking. Journal of Libertarian Studies, 18(3), 33-55.]Search in Google Scholar
[Hülsmann, J. G. (2008). Mises on Monetary Reform: the Private Alternative. The Quarterly Journal ofAustrian Economics [Online] (Updated 13thNovember, 2008). Retrieved March 15, 2009, from http://mises.org/journals/qjae/pdf/qjae1133.pdf. Liberty Dollar v. US Mint (2007). Bernard Von Nothaus and Liberty Dollar v. Henry M. Paulson, Jr., Alberto R. Gonzales and Edmond C. Moy [2007] 3:07-CV-038 RLY-WGH. Retrieved February 19, 2010, from http://www.libertydollar.org/legal/pdf/complaint.pdf.]Search in Google Scholar
[Mundell, R. (1998). Uses and Abuses of Gresham’s Law in the History of Money. Columbia University [Online]. Retrieved November 25, 2009, from http://www.columbia.edu/%7Eram15/grash.html.]Search in Google Scholar
[Paterson, I. (1943). Why Real Money Is Indispensable. From: The God in the Machine, Chapter XVIII. Retrieved December 22, 2009, from http://fame.org/PDF/Indispensable.PDF.]Search in Google Scholar
[Reißmann, O. (2009). Deutschland in der Zinsfalle: So schön lebt sich’s schuldenfrei.]Search in Google Scholar
[Spiegel Online [Online] (Updated 16th December, 2009). Retrieved December 17, 2009, from http://www.spiegel.de/wirtschaft/soziales/0,1518,667527,00.html.]Search in Google Scholar
[Rösl, G. (2006). Regional currencies in Germany - local competition for the Euro? Deutsche Bundesbank, Discussion Paper Series 1, Economic Studies, 43.]Search in Google Scholar
[Rozeff, M. S. (2009). Why Do Central Banks Exist? Social Science Research Network. Retrieved April 8, 2010, from http://ssrn.com/abstract=1500263.]Search in Google Scholar
[Selgin, G. (2003). Gresham’s Law. EH.Net Encyclopedia [Online], edited by Robert Whaples. Retrieved November 25, 2009, from http://eh.net/encyclopedia/article/selgin.gresham.law.]Search in Google Scholar
[Stodder, J. (2007). Residual BarterNetworks and Macro-Economic Stability: Switzerland’s Wirtschaftsring. Retrieved August 15, 2008, from http://www.ewp.rpi.edu/hartford/˜stodder/MacroPrinc/StodderWIR.pdf.]Search in Google Scholar
[Strand, J. R. (2001). “Gresham’s Law”, in R. J. Barry Jones (Ed.), Routledge Encyclopedia of International Political Economy. London, UK: Routledge, p. 638.]Search in Google Scholar
[TRM (2010). Legal Tender Guidelines. The Royal Mint (TRM). Retrieved February 4, 2010, from http://www.royalmint.com/corporate/policies/legaltenderguidelines.aspx. Unger, B. (2010). Besser Wirtschaften: Regionale Utopie. Zeit [Online] (Updated 13th January, 2010). Retrieved January 20, 2010, from http://www.zeit.de/online/2007/37/besserwirtschaften-brigitte-unger.]Search in Google Scholar
[Weiss, M.A. & Sanford, Jonathan E. (2007). International Monetary Fund (IMF): Financial Reform and the Possible Sale of IMF Gold. The Library of Congress. Retrieved February 19, 2010, from http://fpc.state.gov/documents/organization/93480.pdf. ]Search in Google Scholar