SPUS, Redakcja. Studia Politicae Universitatis Silesiensis Tom 12. Studia Politicae Universitatis Silesiensis, [S. l.], v. 12, 2017. Disponível em: https://journals.us.edu.pl/index.php/SPUS/article/view/5269. Acesso em: 8 kwi. 2025.