Keller, Charles E. 1976. A Grammatical Sketch of Brao, a Mon-Khmer Language. (Work Papers, 20.) North Dakota: University of North Dakota, Summer Institute of Linguistics.
@book{keller1976, address = {North Dakota}, author = {Keller, Charles E.}, publisher = {University of North Dakota, Summer Institute of Linguistics}, series = {Work Papers}, title = {A Grammatical Sketch of Brao, a Mon-Khmer Language}, volume = {20}, year = {1976} }