Van Zyl, J. (1995). The relationship between farm size and efficiency in South Africa agriculture. World Bank, Agriculture and Natural Resources Dept., Office of the Director.
Chicagoスタイル(17版)引用形式Van Zyl, Johan. The Relationship Between Farm Size and Efficiency in South Africa Agriculture. Washington, D.C: World Bank, Agriculture and Natural Resources Dept., Office of the Director, 1995.
MLA(9版)引用形式Van Zyl, Johan. The Relationship Between Farm Size and Efficiency in South Africa Agriculture. World Bank, Agriculture and Natural Resources Dept., Office of the Director, 1995.
警告: この引用は必ずしも正確ではありません.