Stanhope, J. M. (1980). The language of the Rao people, Gengabau, Madang Province, Papua New Guinea. Dept. of Linguistics, Research School of Pacific Studies, Australian National University for Linguistic Circle of Canberra.
Lua i Stíl Chicago (17ú heag.)Stanhope, John M. The Language of the Rao People, Gengabau, Madang Province, Papua New Guinea. Canberra: Dept. of Linguistics, Research School of Pacific Studies, Australian National University for Linguistic Circle of Canberra, 1980.
Lua MLA (9ú heag.)Stanhope, John M. The Language of the Rao People, Gengabau, Madang Province, Papua New Guinea. Dept. of Linguistics, Research School of Pacific Studies, Australian National University for Linguistic Circle of Canberra, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.