TY  - BOOK
AU  - Black,Michael
AU  - Sharp,Wendy
TI  - Objective PET: intermediate. Student's book 
SN  - 9780521608824
U1  - 428.24 21
PY  - 2006///
CY  - Cambridge
PB  - Cambridge University Press
KW  - English language
KW  - Textbooks for foreign speakers
KW  - Examinations
KW  - Study guides
KW  - IELTS
KW  - Tiếng Anh
ER  -