Werther W B <br/><br/>
Human resources and personnel management 
Werther W B; Davis K 
 - Ed 4 
 - New York  New York, McGraw Hill  1993 
 - 671p 
<br/><br/><label>ISBN: </label>0-07-069551-2 
<br/><br/><label>Source: </label>Textbook