Wearing, S. (2009). Ecotourism: Impacts, potentials, and possibilities. Boston: Butterworth-Heinemann.
Trích dẫn kiểu ChicagoWearing, Stephen. Ecotourism: Impacts, Potentials, and Possibilities. Boston: Butterworth-Heinemann, 2009.
MLA CitationWearing, Stephen. Ecotourism: Impacts, Potentials, and Possibilities. Boston: Butterworth-Heinemann, 2009.
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