TY  - BOOK
AU  - Collins,Tim
TI  - Correct your english errors: avoid 99% of the common mistakes made by learners of english 
SN  - 9780071470506
U1  - 158.1 
PY  - 2008///
CY  - New York
PB  - McGraw- Hill
KW  - English language
KW  - Textbooks for foreign speakers
KW  - Usage
KW  - Errors of usage
N1  - Includes index
ER  -