APA aipamena

Kandari,, O. (2004). Eco tourism. Shree.

Chicago Style aipamena

Kandari,, O.P. Eco Tourism. New Delhi: Shree, 2004.

MLA aipamena

Kandari,, O.P. Eco Tourism. Shree, 2004.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.