APA aipamena

Singh, R. (2003). National ecotourism and wildlife tourism: Policies and guidelines. Kanishka.

Chicago Style aipamena

Singh, Ratandeep. National Ecotourism and Wildlife Tourism: Policies and Guidelines. New Delhi: Kanishka, 2003.

MLA aipamena

Singh, Ratandeep. National Ecotourism and Wildlife Tourism: Policies and Guidelines. Kanishka, 2003.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.