New interchange : 1B /
Jack C. Richards with Jonathan Hull and Susan Proctor.
- Cambridge, U.K. ; New York : Cambridge University, c1997.
- Units 9-16 (approx. 35 min.)
- New Interchange .
DDC428.24
Student's audio CD 1B
0-521-62868-7
English language (audio file). Communication, International--Problems, exercises, etc.