thomsen, f. l. (1951). Agricultural marketing. mcgraw hill book company, inc.
Chicagoスタイル(17版)引用形式thomsen, frederick lundy. Agricultural Marketing. new york , london: mcgraw hill book company, inc, 1951.
MLA(9版)引用形式thomsen, frederick lundy. Agricultural Marketing. mcgraw hill book company, inc, 1951.
警告: この引用は必ずしも正確ではありません.