APA aipamena

Chandra, P. (2003). Global ecotourism: Codes protocols and charters. Kanishka Publishers.

Chicago Style aipamena

Chandra, Prabhas. Global Ecotourism: Codes Protocols and Charters. New Delhi: Kanishka Publishers, 2003.

MLA aipamena

Chandra, Prabhas. Global Ecotourism: Codes Protocols and Charters. Kanishka Publishers, 2003.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.