Cramer, G. L. (1979). Agricultural economics and agribusiness. New York: John Wiley.
シカゴスタイル引用形Cramer, Gail L. Agricultural Economics and Agribusiness. New York: John Wiley, 1979.
MLA引用形式Cramer, Gail L. Agricultural Economics and Agribusiness. New York: John Wiley, 1979.
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