TY  - BOOK
AU  - Walker, John R.
TI  - Tourism: concepts and practices 
SN  - 9780138142452
AV  - G 155.A1 .W35 2011 
PY  - 2011///
CY  - [Place of publication not identifed]
PB  - [publisher not identified]
N1  - Tourism : concepts and practices, Tourism
ER  -