BARNAT, D. A Variety of Moral Sources in a Secular Age. Diametros, [S. l.], v. 54, n. 54, p. 161–173, 2018. DOI: 10.13153/diam.54.2017.1138. Disponível em: https://diametros.uj.edu.pl/diametros/article/view/1138. Acesso em: 3 aug. 2021.