Cita APA

Swarbrooke, J. a. (2007). Adventure tourism: The new frontier. Butterworth-Heinemann.

Citación estilo Chicago

Swarbrooke, John...(et al.). Adventure Tourism: The New Frontier. Oxford: Butterworth-Heinemann, 2007.

Cita MLA

Swarbrooke, John...(et al.). Adventure Tourism: The New Frontier. Butterworth-Heinemann, 2007.