TWARDY, Jan. Wilfried Engemann, Einführung in die Homiletik. Śląskie Studia Historyczno-Teologiczne, [S. l.], v. 39, n. 2, p. 469–471, 2006. Disponível em: https://journals.us.edu.pl/index.php/ssht/article/view/17323. Acesso em: 11 kwi. 2025.