TY  - BOOK
AU  - Swan, Michael
TI  - Practical English usage
SN  - 0194420965
U1  - 428.2 
PY  - 2005///
CY  - Oxford
PB  - McGraw-Hill
KW  - English
KW  - English language
KW  - Usage
KW  - Grammar
N1  - 005274; K 121
ER  -