Beck, Robert C. <br/><br/>
Motivation : theoried and principes / 
Robert C. Beck 
 - 3rd ed 
 - New Jersey :  Prentice Hall,  1990 
 - 414 p. :  illus 
<br/><br/><label>ISBN: </label>0136030777 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Motivation Psychology
<br/><br/><label>Dewey Class. No.: </label>153.8  / B365M