Seweryn Szer, Prawo rodzinne [Family Law], Warszawa 1966, PWN. Contemporary Central & East European Law, [S. l.], n. 10, p. 29–30, 1968. Disponível em: https://czasopisma.inp.pan.pl/index.php/cceel/article/view/1772. Acesso em: 7 oct. 2025.