New interchange : 2B /
Jack C. Richards with Jonathan Hull and Susan Proctor.
- Cambridge, U.K. ; New York : Cambridge University, c1998.
- Units 9-16 (approx. 36 min.)
- New Interchange .
DDC428.24
Student's audio CD 2B
0-521-62850-4
English language (audio file). Communication, International--Problems, exercises, etc.