TY  - BOOK
AU  - Richards,Jack C.
AU  - Hull,Jonathan
AU  - Proctor,Susan
TI  - Changes: English for international communication 
SN  - 9780521447980
U1  - 428 22
PY  - 1994///
CY  - Cambridge
PB  - Cambridge University Press
KW  - English language
KW  - Textbooks for foreign speakers
ER  -