APA-referens

Zeppel, H. D. A. (2006). Indigenous ecotourism: Sustainable development and management.

Chicago-stil citat

Zeppel, Heather D; Author. Indigenous Ecotourism: Sustainable Development and Management. Oxfordshire, CABI Publishing, 2006.

MLA-referens

Zeppel, Heather D; Author. Indigenous Ecotourism: Sustainable Development and Management. 2006.