Wilson, Particia R. 1980. Ambulas Grammar. (Workpapers in Papua New Guinea Linguistics, 26.) Ukarumpa: Summer Institute of Linguistics.
@book{sinnemakizeromarking-Wilson1980, address = {Ukarumpa}, author = {Wilson, Particia R.}, publisher = {Summer Institute of Linguistics}, series = {Workpapers in Papua New Guinea Linguistics}, title = {Ambulas Grammar}, volume = {26}, year = {1980} }