Gordon. Indigenous Knowledge and the Environment in Africa and North America. Ohio University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGordon. Indigenous Knowledge and the Environment in Africa and North America. Ohio University Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGordon. Indigenous Knowledge and the Environment in Africa and North America. Ohio University Press.
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