Beck, Robert C.  1931- <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/><label>Subjects--Topical Terms: </label><br/>Motivation (Psychology)
<br/><br/><label>Dewey Class. No.: </label>153.8