Petri, Herbert L. <br/><br/>
Motivation :  theory, research, and applications / 
Herbert L. Petri, John M. Govern 
 - 5th ed. 
 - Belmont, CA :  Wadsworth/Thomson,  2004 
 - 481 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0534568807 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Motivation (Psychology)