APA-referens

Newsome, D. (2006). Natural area tourism: Ecology, impacts and management. Viva Books.

Chicago-stil citat

Newsome, David. Natural Area Tourism: Ecology, Impacts and Management. New Delhi: Viva Books, 2006.

MLA-referens

Newsome, David. Natural Area Tourism: Ecology, Impacts and Management. Viva Books, 2006.