Barham, L., & Mitchell, P. (2008). The first Africans: African archaeology from the earliest tool makers to most recent foragers. Cambridge University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBarham, Lawrence, और Peter Mitchell. The First Africans: African Archaeology from the Earliest Tool Makers to Most Recent Foragers. Cambridge: Cambridge University Press, 2008.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBarham, Lawrence, और Peter Mitchell. The First Africans: African Archaeology from the Earliest Tool Makers to Most Recent Foragers. Cambridge University Press, 2008.
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