TY  - BOOK
AU  - Yule,George
TI  - Oxford practice grammar: with answers 
SN  - 9780194579827 (pbk.)
AV  - PE1112 .Y951A
PY  - 2006///
CY  - Oxford
PB  - Oxford University Press
KW  - English language
KW  - Problems, exercises, etc
ER  -