Z'graggen, J.A. 1980. A comparative word list of the Northern Adelbert Range Languages, Madang Province, Papua New Guinea, Canberra: Pacific Linguistics.
@misc{829, author = {Z'graggen, J.A.}, title = {A comparative word list of the Northern Adelbert Range Languages, Madang Province, Papua New Guinea, Canberra: Pacific Linguistics.}, year = {1980} }