BEDNORZ, Herbert. Katecheza dorosłych. Śląskie Studia Historyczno-Teologiczne, [S. l.], v. 5, p. 5–18, 1972. Disponível em: https://journals.us.edu.pl/index.php/ssht/article/view/22536. Acesso em: 6 grudz. 2025.