TY  - BOOK
AU  - Black,Michael
AU  - Sharp,Wendy
TI  - Objective IELTS: self-study student's book 
SN  - 9780521608855 (CD)
PY  - 2006///
CY  - Cambridge
PB  - Cambridge University Press
KW  - English language
KW  - Textbooks for foreign speakers
ER  -