Hornby, A. S. <br/><br/>
Oxford progressive english alternative course book b 

 - 10 ed. 
 - Hong Kong :   Oxford University Press,  1980  
<br/><br/><label>ISBN: </label>0 19 4321 23 1 
<br/><br/><label>Standard No.: </label>DBA002646 
<br/><br/><label>Subjects--Topical Terms: </label><br/>--OTROS--