Studijní literatura:

Petrović, Ž., N. (2010): Russian – Serbian Strategic Partnership: Scope and Content. In: Petrović, Ž., N. (2010; ed.): Russia Serbia Relations at the beginning of XXI Century. ISAC Fund, Beograd, pp. 25 - 40.

Drezov, K. (2013): Hard Bargaining amongst Friends: An Overview of Contemporary Russian–Bulgarian Relations. In: Russian Analytical Digest, No. 125, 25 March 2013.

Soare, S, R. (2013): Still Talking Past Each Other: Romanian–Russian Relations. In: Russian Analytical Digest, No. 125, 25 March 2013.

Szemlér, T. (2009): Friends will be Friends? Bulgaria, Russia and the Eastern ENP Partners. In: Fóti, G. – Ludvig, Z. (eds; 2009): EU-Russian Relations and the Eastern Partnership. Central-East European Member-State Interests and Positions. East European Studies No. 1. Budapest: Institute for World Economics of the Hungarian Academy of Sciences, pp.: 132 - 164.