KUPKA, M. Moderní geopolitické teorie v USA. Czech Journal of International Relations, Prague, Czech Republic, v. 36, n. 2, p. 83–97, 2001. DOI: 10.32422/cjir.1032. Disponível em: https://cjir.iir.cz/index.php/cjir/article/view/1032. Acesso em: 24 nov. 2024.