Interchange.
Richards, Jack C.
Hull, Jonathan,1949-
Proctor, Susan,1945-
Sandy, Chuck.
Cambridge : Cambridge University Press,
2005.
Students' books A and B each accompanied by a self-study audio CD.
Student's book -- Video activity book -- Lab guide -- Video teacher's guide -- Teacher's edition / Jack C. Richards, Chuck Sandy -- Workbook A -- Workbook B
English language
English language