ZINGANO, M. The Development of Ethics: a historical and critical study. Vol I: From Socrates to the Reformation. Journal of Ancient Philosophy, [S. l.], v. 2, n. 1, p. 1-12, 2008. DOI: 10.11606/issn.1981-9471.v2i1p1-12. Disponível em: https://www.revistas.usp.br/filosofiaantiga/article/view/42477. Acesso em: 11 dec. 2023.