VÁZQUEZ, Juan Adolfo. Herbert J. Spiro. Politics in Africa prospects south of the Sahara. Englewood, Cliffs, N.J. : Prentice-Hall, 1962. Foro Internacional, México, Ciudad de México, v. 5, n. 1, p. 142, 1964. Disponível em: https://forointernacional.colmex.mx/index.php/fi/article/view/213. Acesso em: 4 jun. 2025.