Richards, Jack C. <br/><br/>
Changes [Sound Recording]: Class Cassette 3 

 - Cambridge :  Cambridge University Press,  1995. 
 - 2 sound cassettes (153 min): analog 
<br/><br/><label>ISBN: </label>9780521449434 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Textbooks for foreign speakers<br/>International Communication