[Amadeus. Retrieved from https://book.flysas.com.]Search in Google Scholar
[Barrett, S. (2004). The sustainability of the Ryanair model, International Journal of Transport Management 2, 89–98.10.1016/j.ijtm.2004.12.001]Search in Google Scholar
[De Wit J., Zuidberg J. (2012). The growth limits of the low cost carrier model, Journal of Air Transport Management, 21, 17–23.10.1016/j.jairtraman.2011.12.013]Search in Google Scholar
[De Wit, Zuiberg. (2016). Route churn: an analysis of low-cost carrier route continuity in Europe, Journal of Transport Geography, 50, 57–67.10.1016/j.jtrangeo.2015.04.003]Search in Google Scholar
[Diaconu L. (2012). The evolution of the European low-cost airlines’ business models. Ryan Air case study, Procedia - Social and Behavioral Sciences, 62, 342 – 346.]Search in Google Scholar
[Dobruszkes F. (2013). The geography of European low-cost airline networks: a contemporary analysis, Journal of Transport Geography, 28, 75-88.10.1016/j.jtrangeo.2012.10.012]Search in Google Scholar
[Dobruszkes F. Givoni M., Vowles T. (2017). Hello major airports, goodbye regional airports? Recent changes in European and US low-cost airline airport choice, Journal of Air Transport Management, 9, 50–62.10.1016/j.jairtraman.2016.11.005]Search in Google Scholar
[Gabor D. (2010). Low-cost Airlines in Europe: Network Structures after the Enlargement of the European Union, Geographica Pannonica, 14(2), 49-58.10.5937/GeoPan1002049D]Search in Google Scholar
[Gillen D., Morrison W.G., (2003). Bundling, integration and the delivered price of air travel: Are low-cost carriers full service competitors?, Journal of Air Transport Management, 9(1), 15–23.]Search in Google Scholar
[Hahn air. Retrieved from https://www.hahnair.com.]Search in Google Scholar
[Halpern N., Graham A., Dennis N. (2016). Low cost carriers and the changing fortunes of airports in the UK, Research in Transportation Business & Management, 21, 33–43;10.1016/j.rtbm.2016.05.002]Search in Google Scholar
[Lawton, T. C., Solomko, S. (2005). When being the lowest cost is not enough: building a successful low-fare airline business model in Asia, Journal of Air Transport Management, 11, 355–362.10.1016/j.jairtraman.2005.03.001]Search in Google Scholar
[Martinez-Garcia E., Royo-Vela M., (2010). Segmentation of low-cost flights users at secondary airports, Journal of Air Transport Management, 16, 234-237;10.1016/j.jairtraman.2010.01.003]Search in Google Scholar
[Morrell P. (2008). Can long-haul low-cost airlines be successful? Research in Transportation Economics, 24(1), 61-67.10.1016/j.retrec.2009.01.003]Search in Google Scholar
[Njoya, E. T., & Niemeier, H. M. (2011). Do dedicated low-cost passenger terminals create competitive advantages for airports? Research in Transportation Business & Management, 1(1), 55–61.10.1016/j.rtbm.2011.06.005]Search in Google Scholar
[Norwegian. Retrieved from http://www.norwegian.com.]Search in Google Scholar
[Olipra L. (2012). The impact of low-cost carriers on tourism development in less famous destinations, Cittaslow 2012.]Search in Google Scholar
[Stefan, T. (2003). Blue Air anunță planurile pentru 2014. Retrieved from http://aeronews.ro/blue-air-anun-planurile-pentru-2014/.]Search in Google Scholar
[Suau-Sanchez, P., Burghouwt G., (2001). The geography of the Spanish airport system: spatial concentration and deconcentration patterns in seat capacity distribution, Journal of Transport Geography, 19 (2), 244-254.10.1016/j.jtrangeo.2010.03.019]Search in Google Scholar
[Tomova A., Ramajova L. (2014). Frequent flyer programs and low-cost airlines: ongoing hybridization? Procedia - Social and Behavioral Sciences, 110, 787 – 795.10.1016/j.sbspro.2013.12.923]Search in Google Scholar
[Tznooz (2015). Lufthansa to add surcharge to every booking made via the GDS. Retrieved from https://www.tnooz.com/article/lufthansa-to-add-surcharge-to-every-booking-made-via-the-gds/.]Search in Google Scholar
[Vidovic A., Stimac I., Vince D. (2013). Development of business models of low-cost airlines, International Journal for Traffic and Transport Engineering, 3(1), 69 – 81.10.7708/ijtte.2013.3(1).07]Search in Google Scholar