TY  - BOOK
AU  - Black,Michael
AU  - Sharp,Wendy
TI  - Objective IELTS: Teacher's book. Intermediate 
SN  - 0521608724
PY  - 2006///
CY  - Cambridge
PB  - Cambridge University Press
KW  - foreign literature
N1  - An IELTS preparation course in two levels
ER  -