APA引文

W.Johnston Mark, & W.Marshall Greg. (2008). Relationship Selling. American: Mc Graw Hill.

Trích dẫn kiểu Chicago

W.Johnston Mark, và W.Marshall Greg. Relationship Selling. American: Mc Graw Hill, 2008.

MLA引文

W.Johnston Mark, và W.Marshall Greg. Relationship Selling. American: Mc Graw Hill, 2008.

警告：这些引文格式不一定是100％准确.