Richards, Jack C. <br/><br/>
Interchange :  English for international communication. Student's book 1 / 
Jack C. Richards, Jonathan Hull, Susan Proctor 
 - 1a ed. 
 - New York :  Cambrige University Press ;  1990 
 - pv :  il. ;  28 cm. 
<br/><br/><label>ISBN: </label>0521359880 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lenguaje y lenguas--Metodos de estudio--Ingles
<br/><br/><label>LC Class. No.: </label>PE1628  / R53 1990