PELLICER DE BRODY, Olga. Oran R. Young. Systems of political science. New Jersey : Prentice Hall, 1968. (Foundation of Modern Political Sciences Series). Foro Internacional, México, Ciudad de México, v. 12, n. 3, p. 400–401, 1972. Disponível em: https://forointernacional.colmex.mx/index.php/fi/article/view/572. Acesso em: 9 may. 2025.