Tilbury ,Alex  <br/><br/>
English Unlimited B1 pre - intermediate coursebook / 
Alex Tilbury and others. 
 - London :  Cambridge University Press,  2012. 
 - 160 p. ;  24 cm. 
<br/><br/><label>ISBN: </label>3125399068 9783125399068 
<br/><br/><label>Subjects--Topical Terms: </label><br/> EnglishLanguage -- Courses -- Learning
<br/><br/><label>Dewey Class. No.: </label>428.2422