Newsome, D., Moore, S. A., & Dowling, R. K. (2002). Natural area tourism: Ecology, impacts, and management. Channel View Publications.
Chicago Edition CitationNewsome, David, Susan A. Moore, i Ross Kingston Dowling. Natural Area Tourism: Ecology, Impacts, and Management. Clevedon ; Buffalo: Channel View Publications, 2002.
Cita MLANewsome, David, et al. Natural Area Tourism: Ecology, Impacts, and Management. Channel View Publications, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.