BIELA, Bogdan. Przygotowanie dalsze i bliższe do sakramentu pokuty i pojednania. Studia Pastoralne, [S. l.], n. 3, p. 36–53, 2007. Disponível em: https://journals.us.edu.pl/index.php/sp/article/view/23108. Acesso em: 28 luty. 2026.