Toland, Norma R. and Toland, Donald F. 1991. Reference Grammar of the Karo/Rawa Language. (Data Papers on Papua New Guinea Languages, 38.) Ukarumpa: Summer Institute of Linguistics.
@book{sinnemakizeromarking-Toland1991, address = {Ukarumpa}, author = {Toland, Norma R. and Toland, Donald F.}, publisher = {Summer Institute of Linguistics}, series = {Data Papers on Papua New Guinea Languages}, title = {Reference Grammar of the Karo/Rawa Language}, volume = {38}, year = {1991} }