Petri, Herbert L. <br/><br/>
Motivation : theory, research, and applications / Herbert L. Petri. 

 - 3rd ed. 
 - Belmont, Calif. : Wadsworth Pub. Co., c1991. 
 - xiv, 434 p. : ill. ; 24 cm. 
<br/><br/><label>ISBN: </label>0534143644 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Motivation (Psychology).
<br/><br/><label>Dewey Class. No.: </label>153.8 PET