Lougheed, Lin <br/><br/>
IELTS:  International English Language Testing System 

 - 2nd. ed. 
 - New Delhi:  New Age International Limited,  2011. 
 - 412 p.:  27.8 cm. 
<br/><br/>Include indexes. 
<br/><br/><label>ISBN: </label>9788122431537 
<br/><br/><label>Dewey Class. No.: </label>428.0076 LOU