SKOWRONEK, Alfons. W kierunku teologii pracy. Śląskie Studia Historyczno-Teologiczne, [S. l.], v. 6, p. 5–10, 1973. Disponível em: https://journals.us.edu.pl/index.php/ssht/article/view/22442. Acesso em: 6 grudz. 2025.