DROZDOWSKA-BROERING, Izabela. De Sproak, det is miene kleine Heijmat. Mennonitengemeinden in Südbrasilien. Studia Germanica Gedanensia, [S. l.], n. 35, p. 78–88, 2016. Disponível em: https://czasopisma.bg.ug.edu.pl/index.php/SGG/article/view/1366. Acesso em: 4 grudz. 2024.