Focus on IELTS / 
Sue O'Connell. 
 - New ed. 
 - London :  Pearson Longman,  2010- 
 - v. :  ill. ;  cm. +  2 sound discs (digital ; 4 3/4 in.) 
<br/><br/><label>ISBN: </label>9781408241363 9781408239179 9781408239155 9781408239148 
<br/><br/><label>LC Class. No.: </label>PE1112  / .S8 2010