WRIGHLEY, G. Tropical agriculture#the development of production#Gordon Wrighley. Longman.
Chicagoスタイル(17版)引用形式WRIGHLEY, Gordon. Tropical Agriculture#the Development of Production#Gordon Wrighley. Longman.
MLA(8版)引用形式WRIGHLEY, Gordon. Tropical Agriculture#the Development of Production#Gordon Wrighley. Longman.
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