Richards, Jack C <br/><br/>
Interchange : full contact 
Jack C. Richards 
 - Cambridge  Cambridge University Press  2008 
 - 4 v. : col. ill., col. maps ; 28 cm. + 4 sound discs (digital ; 4 3/4 in.) + 4 CD-ROMS ; 4 3/4 in 
<br/><br/><label>ISBN: </label>9780521614689 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language -- Textbooks for foreign speakers
<br/><br/><label>Dewey Class. No.: </label>428.0076 RIC