Richards, Jack C. <br/><br/>
Interchange     english for international communication : work book  / 
Jack C. Richards; Jonathan Hull; Susan Proctor 
 - USA    Cambridge ,   1991. 
 - 3v. 
<br/><br/><label>ISBN: </label>0521359902 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ingles--Texto para extranjeros
<br/><br/><label>LC Class. No.: </label>PE1128  / .R527 1991