DOHNALIK, JAN. Doktorat s. mgr Elżbiety Sikorskiej. Canon Law. Legal and Historical Quarterly, [S. l.], v. 61, n. 3, p. 215–217, 2021. Disponível em: https://czasopisma.uksw.edu.pl/index.php/pk/article/view/8700. Acesso em: 7 dec. 2025.