APA引文

 Clark, M. K. (2006).  The bear necessities of business: Building a company with heart.  Wiley.

Trích dẫn kiểu Chicago

 Clark, Maxine K.  The Bear Necessities of Business: Building a Company With Heart.  Wiley, 2006.

MLA引文

 Clark, Maxine K.  The Bear Necessities of Business: Building a Company With Heart.  Wiley, 2006.

警告：这些引文格式不一定是100％准确.