Katsikas, S. (2012). Negotiating diplomacy in the new Europe: Foreign policy in post-Communist Bulgaria. I.B. Tauris.
芝加哥风格引文Katsikas, Stefanos. Negotiating Diplomacy in the New Europe: Foreign Policy in Post-Communist Bulgaria. London: I.B. Tauris, 2012.
MLA引文Katsikas, Stefanos. Negotiating Diplomacy in the New Europe: Foreign Policy in Post-Communist Bulgaria. I.B. Tauris, 2012.
警告：这些引文格式不一定是100％准确.