Ekeh, P. P. Kinship and state in African and African American histories: Peter P. Ekeh. The African diaspora : African origins and new world identities.(2001).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEkeh, Peter P. "Kinship and State in African and African American Histories: Peter P. Ekeh." The African Diaspora : African Origins and New World Identities.(2001) .
एमएलए (8वां संस्करण) प्रशस्ति पत्रEkeh, Peter P. "Kinship and State in African and African American Histories: Peter P. Ekeh." The African Diaspora : African Origins and New World Identities.(2001), .
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