Bolles, Robert C. <br/><br/>
Theory of motivation / 
Robert C. Bolles. 
 - 2d ed. 
 - New York :  Harper & Row,  [1975] 
 - viii, 568 p. :  graphs ;  25 cm. 
 - Harper's experimental psychology series .
<br/><br/> Includes indexes. 
<br/><br/>Bibliography: p. [479]-556. 
<br/><br/><label>ISBN: </label>006040793X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Motivation (Psychology)<br/>Motivation.
<br/><br/><label>Dewey Class. No.: </label>156/.2/5