RAju, G. (2009). Ecotourism guidance for tour operator. Mangalam Publ.
Lua i Stíl Chicago (17ú heag.)RAju, G.P. Ecotourism Guidance for Tour Operator. Delhi: Mangalam Publ, 2009.
Lua MLA (9ú heag.)RAju, G.P. Ecotourism Guidance for Tour Operator. Mangalam Publ, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.