TY  - BOOK
AU  - Horsburgh, David
AU  - Horsburgh, Nicholas
TI  - Modern English :  workbook 6 
SN  - 0 19 562045 3
U1  - 428 
PY  - 1993///
CY  - Delhi
PB  - Oxford University Press
KW  - English language
KW  - English readers
ER  -