TY  - BOOK
AU  - Goeldner,Charles R.
AU  - Ritchie, J. R. Brent.
TI  - Tourism: principles, practices, philosophies 
SN  - 0471400610
AV  - G155.A1  .G63 2003
PY  - 2003///
CY  - New York
PB  - John Wiley
KW  - Tourism
ER  -