Upton, M. (1973). Farm management in Africa: The principles of production and planning. Oxford.
Chicagoスタイル(17版)引用形式Upton, Martin. Farm Management in Africa: The Principles of Production and Planning. London: Oxford, 1973.
MLA(9版)引用形式Upton, Martin. Farm Management in Africa: The Principles of Production and Planning. Oxford, 1973.
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