King, G. Secrets of Selling: How to win in any sales situation (2.). Pearson Education UK.
Chicago Style (17th ed.) CitationKing, Geoff. Secrets of Selling: How to Win in Any Sales Situation. 2. Pearson Education UK.
MLA引文King, Geoff. Secrets of Selling: How to Win in Any Sales Situation. 2. Pearson Education UK.
警告:這些引文格式不一定是100%准確.