Resource: Books
- Wearing, Stephen and Schweinsberg, Stephen (2018). Ecotourism: Transitioning to the 22nd Century. ISBN: 9781138202047.
- Weaver, David (2008). Ecotourism. ISBN: 9780470813041.
- Zeppel, H.D., (2006). Indigenous Ecotourism: Sustainable Development and Management (Ecotourism Series, 3). ISBN: 9781845931247.