Jeffrey, “The challenge of pluralism and peace the changing relationships among the churches in Colombia”, Cuest.Teol., vol. 35, nº 84, p. 323–340, dez. 2008, Acesso em: 20º de outubro de 2026. [Online]. Disponível em: https://upb.scimago.es/index.php/cuestiones/article/view/5793