TY  - BOOK
AU  - Quirk, Randolph Greenbaum, Sidney 
TI  - University grammar of english 
SN  - 81-7808-088-5 
U1  - 425 QUI  
PY  - 2001///
CY  - Longman 
PB  - London 
KW  - ENGLISH GRAMMER
ER  -