Freeman, J. D. (1980). Iban agriculture: A report on the shifting cultivation of hill rice by the Iban of Sarawak J. D. Freeman. AMS Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFreeman, J. D. Iban Agriculture: A Report on the Shifting Cultivation of Hill Rice by the Iban of Sarawak J. D. Freeman. New York: AMS Press, 1980.
एमएलए (9वां संस्करण) प्रशस्ति पत्रFreeman, J. D. Iban Agriculture: A Report on the Shifting Cultivation of Hill Rice by the Iban of Sarawak J. D. Freeman. AMS Press, 1980.
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