IELTS for academic purpose :  a short intense course / 
Berwick,Adon 
 - New York :  McGraw-Hill Companies, Inc.,  2009. 
 - xiii, 147 p.: col. ill. ; 27.6cm. 
<br/><br/><label>ISBN: </label>9780071269551 
<br/><br/><label>Dewey Class. No.: </label>C 420.76 B553 2009