Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.