Kryvonos, Roman. 2015. „Changes in the European System of International Relations Due to the “Ukrainian Crises” of 2014-15 . 89”. W Eastern Chessboard: Geopolitical Determinants and Challenges in Eastern Europe and the South Caucasus, zredagowane przez Piotr Bajor i Kamila Schöll-Mazurek. T. Societas, Vol. 88. Societas. Poland: Wydawnictwo Księgarnia Akademicka. https://doi.org/10.12797/9788376386706.08.