International Development Research Center. Agriculture. Food and Nutrition Sciences Division. (1988). Crop and animal production systems program. International Development Research Centre.
Chicagoスタイル(17版)引用形式International Development Research Center. Agriculture. Food and Nutrition Sciences Division. Crop and Animal Production Systems Program. Ottawa, Ont: International Development Research Centre, 1988.
MLA(9版)引用形式International Development Research Center. Agriculture. Food and Nutrition Sciences Division. Crop and Animal Production Systems Program. International Development Research Centre, 1988.
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