Porter, Lyman W., <br/><br/>
Motivation and work behavior / 
Lyman W. Porter, Gregory A. Bigley, Richard M. Steers. 
 - Seventh edition. 
 - New York :  McGraw-Hill,  2003. 
 - viii, 634 pages :  Tables ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>0072481625 
<br/><br/><label>Dewey Class. No.: </label>658.314  / P83