Richards,C <br/><br/>
Inter Change: English for international communication / 
Richards,C. 
 - Cambridge:  Cambridge University Press,  1996. 
 - viii;247p;28cm 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0521376858 
<br/><br/><label>Dewey Class. No.: </label>428 RIC