Middleton, J., Tait, D., & Bohannan, L. (1958). Tribes without rulers: Studies in African segmentary systems. Routledge & Paul.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMiddleton, John, David Tait, और Laura Bohannan. Tribes Without Rulers: Studies in African Segmentary Systems. London: Routledge & Paul, 1958.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMiddleton, John, et al. Tribes Without Rulers: Studies in African Segmentary Systems. Routledge & Paul, 1958.
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