एपीए उद्धरण

Wearing, S. (2009). Ecotourism: Impacts, potentials, and possibilities. Boston: Butterworth-Heinemann.

शिकागो स्टाइल उद्धरण

Wearing, Stephen. Ecotourism: Impacts, Potentials, and Possibilities. Boston: Butterworth-Heinemann, 2009.

एमएलए उद्धरण

Wearing, Stephen. Ecotourism: Impacts, Potentials, and Possibilities. Boston: Butterworth-Heinemann, 2009.