APA ציטוט

Tracy, B. (2006). The Psychology of selling: How to sell more, easier and faster than you ever thought possible.

Chicago Edition Citation

Tracy, Brain. The Psychology of Selling: How to Sell More, Easier and Faster than You Ever Thought Possible. Pearson power, 2006.

ציטוט MLA

Tracy, Brain. The Psychology of Selling: How to Sell More, Easier and Faster than You Ever Thought Possible. 2006.