KANIA, Witold. Prawo naturalne. Śląskie Studia Historyczno-Teologiczne, [S. l.], v. 40, n. 1, p. 257–259, 2007. Disponível em: https://trrest.vot.pl/ojsus/index.php/ssht/article/view/17256. Acesso em: 3 lip. 2025.