Z'graggen, Johannes A. 1980. A comparative word list of the Rai Coast languages, Madang Province, Papua New Guinea. Pacific Linguistics D-30. Canberra: Australian National University.
@misc{2085, author = {Z'graggen, Johannes A.}, title = {A comparative word list of the Rai Coast languages, Madang Province, Papua New Guinea. Pacific Linguistics D-30. Canberra: Australian National University.}, year = {1980} }