LATOSZEK, P. Świętożyzna – presumed wife of Świętopełk I. Saeculum Christianum, [S. l.], v. 22, p. 12–22, 2021. DOI: 10.21697/sc.2015.22.02en. Disponível em: https://czasopisma.uksw.edu.pl/index.php/sc/article/view/8564. Acesso em: 25 kwi. 2024.