TY  - BOOK
T1  - Open doors : secundaria 1
A1  - Whitney, Norman
A2  - Macfarlane, Michael
LA  - English
PP  - Oxford
PB  - Oxford University Press
YR  - 1999
ED  - 1st ed., 11th impr.
UL  - http://glotrec.wdi-staging.gei.de/cat/Record/manes98102
SN  - 0194356809 (V.1)
SN  - 0194356825 (V. 2)
ER  -