TY  - BOOK
AU  - Swan, MIchael
TI  - Practical English Usage
SN  - 0-19-44214-65
U1  - 425/S972p 
PY  - 1998///
CY  - Delhi
PB  - Oxford University Press
KW  - English Language
N1  - Department of English Language & Literature
N2  - Practical, Usage, English
ER  -