JACHIMOWSKI, Marek; GUZEK, Damian. Doktor hab. Marian Gierula, prof. UŚ 11 VIII 1955 – 21 IV 2020. Studia Politicae Universitatis Silesiensis, [S. l.], v. 29, p. 7–8, 2020. DOI: 10.31261/spus.9138. Disponível em: https://trrest.vot.pl/ojsus/index.php/SPUS/article/view/9138. Acesso em: 6 maj. 2025.