TY  - BOOK
AU  - Swan,Michael
TI  - Practical English usage
SN  - 0194311856
AV  - PE1106 .S94 1980
PY  - 1980///
CY  - Oxford
PB  - Oxford University Press
KW  - English language
KW  - Usage
KW  - Grammar
KW  - Textbooks for foreign speakers
N1  - Includes index
ER  -