1. Armstrong, S. (2002). Voucher privatization in the Czech Republic. Senior thesis. Retrieved from http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.203.3339&rep=rep1&type=pdf
2. Balcerowicz, L. (1995). Socialism, capitalism, transformation. Budapest: Central European University.
3. Ben-Ner, A., & Michael Montias, J. (1991). The introduction of markets in a hypercentralized economy: The case of Romania. Journal of Economic Perspectives, 5(4), 163–170.
4. Birsan, M., & Buiga, A. (2008). FDI in Romania: Evolution and main types of large firms in the manufacturing sector. OECD, Global Forum on International Investment. Retrieved March 27–28, 2008, from http://www.oecd.org/investment/globalforum/40401008.pdf
5. Bitzenis, A. P. (2012). Inward FDI in Bulgaria and its policy context. Columbia University Academic Commons. Retrieved from http://hdl.handle.net/10022/AC:P:12877