thomsen, f. l. (1951). Agricultural marketing. mcgraw hill book company, inc.
芝加哥风格引文thomsen, frederick lundy. Agricultural Marketing. new york , london: mcgraw hill book company, inc, 1951.
MLA引文thomsen, frederick lundy. Agricultural Marketing. mcgraw hill book company, inc, 1951.
警告：这些引文格式不一定是100％准确.