SPUS, Redakcja. Studia Politicae Universitatis Silesiensis Tom 15. Studia Politicae Universitatis Silesiensis, [S. l.], v. 15, 2018. Disponível em: https://journals.us.edu.pl/index.php/SPUS/article/view/5280. Acesso em: 17 kwi. 2025.