PIĄTEK, Zdzisława. Albert Schweitzer’s Ethics of Respect for Life and Ecophilosophy. Problemy Ekorozwoju, [S. l.], v. 3, n. 2, p. 51–61, 2008. Disponível em: https://ph.pollub.pl/index.php/preko/article/view/4661. Acesso em: 22 jul. 2024.