APA citiranje

 Heymann, J. (2010).  Profit at the Bottom of the Ladder: Creating Value by Investing in your Workforce.  Harvard Business.

Trích dẫn kiểu Chicago

 Heymann, Jody.  Profit At the Bottom of the Ladder: Creating Value By Investing in Your Workforce.  Harvard Business, 2010.

MLA citiranje

 Heymann, Jody.  Profit At the Bottom of the Ladder: Creating Value By Investing in Your Workforce.  Harvard Business, 2010.