Middleton, J., Tait, D., & Bohannan, L. (1958). Tribes without rulers: Studies in African segmentary systems. Routledge & Paul.
Dyfyniad Arddull ChicagoMiddleton, John, David Tait, and Laura Bohannan. Tribes Without Rulers: Studies in African Segmentary Systems. London: Routledge & Paul, 1958.
Dyfyniad MLAMiddleton, John, et al. Tribes Without Rulers: Studies in African Segmentary Systems. Routledge & Paul, 1958.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.