TY  - BOOK
ED  - World Tourism Organization.
TI  - Sustainable development of ecotourism: a compilation of good practices = Desarrollo sostenible del ecoturismo : una compilacion de buenas practicas. 
SN  - 9284404789 (paperback)
PY  - 2001///
CY  - [Madrid]
PB  - World Tourism Organization
ER  -