TY  - BOOK
AU  - Wall, Geoffrey
AU  - Mathieson, Alister
TI  - Tourism: : change, impacts and opportunities 
SN  - 0-130-99400-6
AV  - 910 W15t 
PY  - 2006///
CY  - Harlow, EN
PB  - Pearson/Prentice Hall
N1  - Includes references and bibliography
ER  -