PORTER, L. W. <br/><br/>
Motivation and Work Behavior. 

 - 7th Ed. 
 - New York,  Mc Graw-Hill Irwin,  2003. 
 - viii, 635.: ill.; figure, picture, table  Index  24cm 
<br/><br/><label>ISBN: </label>0-07-248162-5 
<br/><br/><label>Dewey Class. No.: </label>658.3'14 POR