VÁZQUEZ, Juan Adolfo; WARMINGTON, W. A. Edwin Ardener, Shirley Ardener, W. A. Warmington. Plantation and Village in the Cameroons. London : Oxford University Press, 1960. Foro Internacional, México, Ciudad de México, v. 5, n. 1, p. 143–144, 1964. Disponível em: https://forointernacional.colmex.mx/index.php/fi/article/view/215. Acesso em: 29 abr. 2025.