Collins COBUILD IELTS dictionary 
 IELTS dictionary 

 - Glasgow :  HarperCollins,  2015 
 - xxix, 962 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>9780008100834 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Textbooks for foreign speakers<br/>English language--Dictionaries<br/>Vocabulary<br/>International English Language Testing System--Study guides