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.
Chicago-viite (17. p.)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.
MLA-viite (9. p.)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.
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