PASTERNAK, Ferdynand. Wolność osoby ludzkiej w "Mater et magistra" i "Pacem in terris" Jana XXIII. Canon Law. Legal and Historical Quarterly, [S. l.], v. 20, n. 3-4, p. 67–87, 1977. DOI: 10.21697/pk.1977.20.3-4.04. Disponível em: https://czasopisma.uksw.edu.pl/index.php/pk/article/view/6945. Acesso em: 13 dec. 2025.