LATOSZEK, P. Świętożyzna - presumed wife of Świętopełk I. Saeculum Christianum, [S. l.], v. 22, p. 13–22, 2016. DOI: 10.21697/sc.2015.22.02. Disponível em: https://czasopisma.uksw.edu.pl/index.php/sc/article/view/212. Acesso em: 22 lis. 2024.