C. Brooks John. (2002). Short Cycle Selling--Beating Your Competitors in the Sales Race (In lần thứ 1.). American: MC Graw Hill.
シカゴスタイル引用形C. Brooks John. Short Cycle Selling--Beating Your Competitors in the Sales Race. In lần thứ 1. American: MC Graw Hill, 2002.
MLA引用形式C. Brooks John. Short Cycle Selling--Beating Your Competitors in the Sales Race. In lần thứ 1. American: MC Graw Hill, 2002.
警告: この引用は必ずしも正確ではありません.