Peters, R. S.  1919- <br/><br/>
The concept of motivation / 
R. S. Peters 
 - 2nd ed. 
 - London :  Routledge & K. Paul,  1960 
 - 166 p. :  ill. ;  25 cm. 
 - Studies in philosophical psychology .
<br/><br/><label>ISBN: </label>071003833X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Motivation (Psychology)