APA ציטוט

Fennell, D. A. (2003). Ecotourism: An introduction (2nd ed.). Routledge.

Chicago Style (17th ed.) Citation

Fennell, David A. Ecotourism: An Introduction. 2nd ed. London ; New York: Routledge, 2003.

ציטוט MLA

Fennell, David A. Ecotourism: An Introduction. 2nd ed. Routledge, 2003.