SACHER, Andrzej. Doktorat pana mgr. lic. Michała Marcina Poczmańskiego . Canon Law. Legal and Historical Quarterly, [S. l.], v. 64, n. 1, p. 205–208, 2021. Disponível em: https://czasopisma.uksw.edu.pl/index.php/pk/article/view/9416. Acesso em: 7 dec. 2025.