Beck, Robert C. <br/><br/>
Motivation :  theories and principles / 
Robert C. Beck. 
 - 2nd ed. 
 - Englewood Cliffs, N.J. :  Prentice-Hall,  c1983. 
 - xiv, 482 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliography (p. 425-466) and index 
<br/><br/><label>ISBN: </label>0136039103 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Motivation (Psychology)
<br/><br/><label>Dewey Class. No.: </label>153.8 BEC