Hersey P <br/><br/>
Management of organizational behavior: Utilizing human resources 
Hersey P; Blanchard K H 
 - Ed 6th 
 - Englewood Englewood  Englewood Englewood, Prentice-Hall  1996 
 - 558p 
<br/><br/><label>ISBN: </label>0-13-555004-1 
<br/><br/><label>Source: </label>Textbook