GŁUSIUK, A. I due matrimoni di Cristina di Markyate. Saeculum Christianum, [S. l.], v. 21, n. 1, p. 51–60, 2021. Disponível em: https://czasopisma.uksw.edu.pl/index.php/sc/article/view/7941. Acesso em: 27 kwi. 2024.