Allen, G. R. (1959). Agricultural marketing policies. B. Blackwell.
Chicagoスタイル(17版)引用形式Allen, George Rollason. Agricultural Marketing Policies. Oxford: B. Blackwell, 1959.
MLA(9版)引用形式Allen, George Rollason. Agricultural Marketing Policies. B. Blackwell, 1959.
警告: この引用は必ずしも正確ではありません.