TY  - BOOK
AU  - Stott,Trish
AU  - Holt,Roger
TI  - First Class: english for tourism. Student's book 
U1  - 421.5 S888fi 1991 
PY  - 1991///
CY  - Oxford
PB  - Oxford University Press, 
KW  - INGLES
KW  - TEXTO DE ESTUDIO
ER  -