Gaya APA

Wearing, S., Neil, J. (2009). Ecotourism : Impacts, Potentials And Possibilities (Ed. 2). Oxford: Butter Worth-Heinemann.

Gaya MLA

Wearing, Stephen., Neil, John. "Ecotourism : Impacts, Potentials And Possibilities". Ed. 2 Oxford: Butter Worth-Heinemann, 2009. Text.