APA aipamena

Higham, J. E. (2007). Critical issues in ecotourism: Understanding a complex tourism phenomenon.

Chicago Style aipamena

Higham, James; Editor. Critical Issues in Ecotourism: Understanding a Complex Tourism Phenomenon. Oxford, Butterworth-Heinemann, 2007.

MLA aipamena

Higham, James; Editor. Critical Issues in Ecotourism: Understanding a Complex Tourism Phenomenon. 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.