WILLA, R. Waldemar Zubrzycki, Aleksander Babiński, Procedury bezpieczeństwa w Unii Europejskiej (Safety Procedures within the European Union), Difin, Warsaw 2017, 200 pages. The Copernicus Journal of Political Studies, [S. l.], n. 2, p. 91–95, 2018. DOI: 10.12775/CJPS.2016.013. Disponível em: https://apcz.umk.pl/CJPS/article/view/CJPS.2016.013. Acesso em: 25 kwi. 2024.