Richards, Jack C <br/><br/>
Interchange : english for international commucation /  
Richards, Jack C 
 - New York :   Cambridge University Press,  1994 
 - 3 CS 
<br/><br/> Itnro class cassettes 
<br/><br/>Idioma 
<br/><br/><label>ISBN: </label>0-521-46741-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>INGLES --ENSEÑANZA --ESTUDIANTES EXTRANJEROS