APA引文

 Niblick, J. (2013).  The profitable consultant: Starting, growing, and selling your expertise.  Wiley.

Trích dẫn kiểu Chicago

 Niblick, Jay.  The Profitable Consultant: Starting, Growing, and Selling Your Expertise.  Wiley, 2013.

MLA引文

 Niblick, Jay.  The Profitable Consultant: Starting, Growing, and Selling Your Expertise.  Wiley, 2013.

警告：這些引文格式不一定是100％准確.