Oxenden, Clive <br/><br/>
American English File : Workbook 4 
Clive Oxenden and Christina Latham-Koenig 
 - Oxford  Oxford University Press  2009 
 - 247p. : ill. 
<br/><br/><label>ISBN: </label>9780194774659 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Methods of instruction and study
<br/><br/><label>Dewey Class. No.: </label>371.3028 OXE