WILLIAMS LC, Thomas D. Ever Ancient, Ever New. Caritas in Veritate and Catholic Social Doctrine. Alpha Omega, [S. l.], v. 13, n. 1, p. 45–66, 2010. Disponível em: https://riviste.upra.org/index.php/ao/article/view/1682. Acesso em: 4 apr. 2025.