Richards, Jack C.,  1943- <br/><br/>
Interchange  1 / 
Jack C. Richards ; with Jonathan Hull and Susan Proctor. 
 - Fourth edition . 
 - 96 pages :  illustrations (some color) ;  28 cm . 
<br/><br/>Workbook -- Workbook A -- Class audio CDs (set of 3 sound discs). 
<br/><br/><br/>System requirements for Assessment audio CD/CD-ROM: Sound card; speakers or headphones; media player; PDF reader; word processor. <br/>System requirements for Self-study DVD-ROM: Windows XP/Vista/7 with 2.33GHz or faster x86-compatible processor, or, Mac OS X v10.6 or v10.7 with Intel Core Duo or faster processor; 512MB of RAM (1GB recommended); 1GB free hard disk space; 1024x768 resolution or higher; DVD-ROM optical drive; speakers or headphones; microphone if you wish to record yourself speaking. 
<br/><br/><label>ISBN: </label>9781107648678 110764867X 9781107694439 1107694434 9781107673960 1107673968 9781107648722 1107648726 9781107616875 1107616875 9781107699595 1107699592 9781107699175 1107699177 9781107647251 1107647258 9781107679931 1107679931 9781107611368 1107611369 9781107637801 1107637805 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Study and teaching--Foreign speakers.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Problems and exercises.<br/>Sound recordings--for foreign speakers.<br/>Textbooks--for foreign speakers.
<br/><br/><label>Dewey Class. No.: </label>428.34  / R514