Cita APA

 Manning, G. (2007).  The art of leadership.  McGraww-Hill Irwin.

Chicago Style Citation

 Manning, George.  The Art of Leadership.  McGraww-Hill Irwin, 2007.

Cita MLA

 Manning, George.  The Art of Leadership.  McGraww-Hill Irwin, 2007.

Atenció: Aquestes cites poden no estar 100% correctes.