Garton-Sprenger, Judy. Exchanges : students' book / Judy Garton-Sprenger, T. C. Jupp, P. Prowse. - Complete new colour edition - London : Heinemann Educational Books, 1987. - 148 p. : ill. ; 29 cm. - Main course English . Contents: Part A. Units 1-5 -- Part B. Units 6-10. ISBN: 0435284347 9780435284343 Subjects--Topical Terms: English language--Textbooks for foreign speakers LC Class. No.: PE1128