TY  - BOOK
AU  - BIBER, DOUGLAS
AU  - GEOFFREY LEECH
AU  - CONRAD SUSAN
TI  - LONGMAN STUDENT GRAMMAR OF SPOKEN AND WRITTEN ENGLISH
U1  - 400 
PY  - 2010///
CY  - DELHI
PB  - PEARSON
KW  - ENGLISH LANGUAGE
ER  -