TY  - BOOK
AU  - Williams,Ivor
AU  - Curley,Dermot
TI  - Green light six: student book 
SN  - 0071211411
U1  - 428.3 14
PY  - 2003///
CY  - N.Y.
PB  - McGraw-Hill
KW  - Tiếng Anh
KW  - Giao tiếp
KW  - English language
KW  - Spoken English
ER  -