Wearing, S. (2009). Ecotourism: Impacts, potentials, and possibilities. Boston: Butterworth-Heinemann.
Chicago-stil citatWearing, Stephen. Ecotourism: Impacts, Potentials, and Possibilities. Boston: Butterworth-Heinemann, 2009.
MLA-referensWearing, Stephen. Ecotourism: Impacts, Potentials, and Possibilities. Boston: Butterworth-Heinemann, 2009.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.