TY  - BOOK
AU  - Betsis,Andrew
AU  - Mamas,Lawrence
TI  - Succeed in cambridge english: preliminary english test (PET) 
SN  - 9781904663232
PY  - 2011///], ©2011
CY  - [place of publication not identified]
PB  - Global Elt Ltd
KW  - English language
KW  - Examinations
KW  - Study guides
ER  -