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}
}