[Faostat . 2008]Search in Google Scholar
[Magda , R. 2011. A zöldgazdaság és a foglalkoztatás. Európai Tükör XIV évf. 4. sz. 85-96 p. http://www.google.hu/search?q=sustainable+development&hl=hu&prmd=imvnsb&tbm=isch&tbo=u&source=univ&sa=X&ei=Nq13UNKJJIL4QSspIGwDA&sqi=2&ved=0CEQQsAQ&biw=1680&bih=918]Search in Google Scholar
[Meadows , H et al. 1972. The Limits to Growth. The Club of Rome Report. New York : Universe Books.]Search in Google Scholar
[Schultink , G. 2001. Comparative Environmental Policy and Risk Assessment: Implications for Risk Communication, International Conflict Resolution and National Security. In: Responding to Environmental Conflicts: Implications for Theory and Practice, Netherlands : Kluwer Publishers, 2001, pp. 95-111.]Search in Google Scholar
[Stern, N. 2006. Stern Review: The Economics of Climate Change. Cambridge : Cambridge University Press.10.1017/CBO9780511817434]Search in Google Scholar
[UN. 2003. World Population Prospects: The 2002 Revision. Highlights. New York : United Nations. ]Search in Google Scholar
[http://data.worldbank.org/indicator/EG.EGY.PROD.KT.OE?order=wbapi_data_value_2010+wbapi_data_value+wbapi_data_value-last&sort=asc ]Search in Google Scholar
[http://en.wikipedia.org/wiki/List_of_countries_by_electricity_production]Search in Google Scholar