Thurston, Wiliam R. 1987. Processes of change in the languages of North-Western New Britain. (PL, B-99.) Canberra: Pacific Linguistics.
@book{thurston1987, address = {Canberra}, author = {Thurston, Wiliam R.}, key = {Thurston 1987}, publisher = {Pacific Linguistics}, series = {PL}, title = {Processes of change in the languages of North-Western New Britain}, volume = {B-99}, year = {1987} }