Cambridge English Advanced :  Certificate iin Advanced English (CAE) CEFR Level C1: Handbook for teachers / 
University of Cambridge. ESOL Examinations. 
 - Cambridge :  Cambridge University Press,  2012. 
 - 68 p. :  ill. ;  30 cm. 
<br/><br/><label>ISBN: </label>978-1-907870-37-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Languages ​​of the World