Esquivel, Javier. “Value Judgments, Legal Positivism, and Moral Relativism”. Crítica. Revista Hispanoamericana de Filosofía 13, no. 37 (November 21, 2018): 3–28. Accessed July 14, 2025. https://critica.filosoficas.unam.mx/index.php/critica/article/view/353.