Mieczysław Sośniak: La clause d’ordre public en droit international privé, Warszawa, 1961, PWN. Contemporary Central & East European Law, [S. l.], n. 3, p. 19–20, 1964. Disponível em: https://czasopisma.inp.pan.pl/index.php/cceel/article/view/1677. Acesso em: 6 oct. 2025.