APA aipamena

RAju, G. (2009). Ecotourism guidance for tour operator. Mangalam Publ.

Chicago Style aipamena

RAju, G.P. Ecotourism Guidance for Tour Operator. Delhi: Mangalam Publ, 2009.

MLA aipamena

RAju, G.P. Ecotourism Guidance for Tour Operator. Mangalam Publ, 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.