TY  - BOOK
AU  - Vibal,Victor R.
TI  - Principles of tourism / 
T2  - Tourism environment and development series
U1  - 338.4791 
PY  - 2010///
CY  - Mandaluyong City: 
PB  - Anvil Publishing, Inc. , 
KW  - Tourism - principles.
N1  - Includes glossary and bibliography.
ER  -