Boelaars, Jan Honoré Maria Cornelis. 1950. The Linguistic Position of South-Western New Guinea. (Orientalia Rheno-Traiectina, 3.) Leiden: Brill.
@book{sinnemakizeromarking-Boelaars1950, address = {Leiden}, author = {Boelaars, Jan Honoré Maria Cornelis}, publisher = {Brill}, series = {Orientalia Rheno-Traiectina}, title = {The Linguistic Position of South-Western New Guinea}, volume = {3}, year = {1950} }