Παραπομπή APA

Newsome, D., Moore, S. A., & Dowling, R. K. (2006). Natural area tourism: Ecology, impacts and management. Vivabooks.

Παραπομπή Chicago Style

Newsome, David, Susan A. Moore, και Rosi K. Dowling. Natural Area Tourism: Ecology, Impacts and Management. NewDelhi: Vivabooks, 2006.

Παραπομπή MLA

Newsome, David, et al. Natural Area Tourism: Ecology, Impacts and Management. Vivabooks, 2006.