Green, S.W. <br/><br/>
Barron's GRE. 

 - 20th ed. 
 - New Delhi.  GalgotiaPublisher Pvt.Ltd.  2015 
 - 599p. 
<br/><br/><label>ISBN: </label> RS 699.00 
<br/><br/><label>Dewey Class. No.: </label>378.1662 GRE,S.W