TY  - BOOK
AU  - Dellar,Hugh
AU  - Walkley,Andrew
TI  - Pre-intermediate outcomes: Class audio CDs
SN  - 9781111031091
U1  - 428.24 
PY  - 2010///
CY  - Hampshire
PB  - Heinle, Cengage Learning 
KW  - INGLES
KW  - ENSEÑANZA
KW  - HABLANTES EXTRANJEROS
ER  -