TWARDY, Jan. James J. Bacik, Kevin E. Anderson, A Light Unto My Path. Crafting Effective Homilies. Śląskie Studia Historyczno-Teologiczne, [S. l.], v. 40, n. 2, p. 488–490, 2007. Disponível em: https://journals.us.edu.pl/index.php/ssht/article/view/17078. Acesso em: 5 luty. 2026.