Polcikiewicz, Zdzisław. „Cooperation Between NATO and the European Union for Shaping International Security”. The Copernicus Journal of Political Studies, no. 1 (listopad 6, 2019): 65–83. Udostępniono lipiec 19, 2024. https://apcz.umk.pl/CJPS/article/view/CJPS.2019.004.