APA-referens (7:e uppl.)

Newsome, D., Dowling, R. K., & Moore, S. A. (2013). Natural area tourism: Ecology, impacts and management. Channel View Publications.

Chicago-referens (17:e uppl.)

Newsome, David, Ross K. Dowling, och Susan A. Moore. Natural Area Tourism: Ecology, Impacts and Management. Second edition: Channel View Publications, 2013.

MLA-referens (9:e uppl.)

Newsome, David, et al. Natural Area Tourism: Ecology, Impacts and Management. Channel View Publications, 2013.