^Hammarström, Harald; Forkel, Robert; Haspelmath, Martin; Bank, Sebastian (編). Brao. Glottolog 2.7. Jena: Max Planck Institute for the Science of Human History. 2016.
^Keller, Charles E. Brao-Krung Phonology(PDF). Mon-Khmer Studies. April 1999, 31 [10 June 2015]. (原始內容存檔(PDF)於2021-06-09).
^Đặng Nghiêm Vạn, Chu Thái Sơn, Lưu Hùng. 2010. Ethnic Minorities in Vietnam. Hà Nội: Thế Giới Publishers.
Sidwell, Paul (2003). A Handbook of comparative Bahnaric, Vol. 1: West Bahnaric. Pacific Linguistics, 551. Canberra: Research School of Pacific and Asian Studies, Australian National University.
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Keller, C. E. (1976). A grammatical sketch of Brao, a Mon–Khmer language. Grand Forks, N.D.: Summer Institute of Linguistics, University of North Dakota Session. OCLC: 2915938