TY  - BOOK
AU  - Richards,Jack C.
AU  - Bohlke,David
TI  - Four corners
SN  - 9780521127516 (pbk.) :
U1  - 428.24 22
PY  - 2012///
CY  - Cambridge
PB  - Cambridge University Press
KW  - English language
KW  - Textbooks for foreign speakers
ER  -