J. A. Vázquez, M. Fortes, y E. E. (Edward E. Evans-Pritchard, «African political systems. Edited by M. Fortes and E. E. Evans-Pritchard. London : Oxford University Press, 1961. [16a reimpr.]», FI, vol. 4, n.º 4, pp. 627–630, abr. 1964.