New Interchange INTRO [sound recording] : class audio CDs /
Richards, Jack C.
New York, NY Cambridge University Press
2000
CD 1: Units 1-4; Review 1-4; Units 5-6, CD 2: Units 7-8; Review 5-8; Units 9-112, CD 3: Review 9-12,;Units 13-16; Review 13-16; Tests.
English language
Communication, International