TY  - BOOK
AU  - Yule,George
TI  - Oxford practice grammar: advanced : with answers 
SN  - 978-0-19-457982-7
U1  - Prof. 425 Y951 2006 
PY  - 2006///
CY  - Oxford
PB  - Oxford University Press
KW  - English language
KW  - Grammar
N1  - Includes index
ER  -