Duke, J. A. (1987). CRC handbook of agricultural energy potential of developing countries. CRC Press.
Chicago Style (17. basım) AtıfDuke, James A. CRC Handbook of Agricultural Energy Potential of Developing Countries. Boca Raton, Fla: CRC Press, 1987.
MLA (9th ed.) AtıfDuke, James A. CRC Handbook of Agricultural Energy Potential of Developing Countries. CRC Press, 1987.
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