SPUS, Redakcja. Studia Politicae Universitatis Silesiensis Tom 9. Studia Politicae Universitatis Silesiensis, [S. l.], v. 9, 2018. Disponível em: https://journals.us.edu.pl/index.php/SPUS/article/view/5274. Acesso em: 5 grudz. 2025.