DJVU PDF Vương Hừu Lễ. 1999, "A new interpretation of the Bru Vân Kiêu vowel system", in The Mon-Khmer Studies Journal, vol. 29, pp. 97-106. cite.

DJVU PDF Miller, J. and Miller, C. 1996, "Lexical comparison of Katuic Mon-Khmer languages with special focus on So-Bru groups in Northeast Thailand", in The Mon-Khmer Studies Journal, vol. 26, pp. 255-290. cite.

DJVU PDF Theraphan L. Thongkum. 1979, "The distribution of the sounds of Bruu", in The Mon-Khmer Studies Journal, vol. 8, pp. 221-293. cite.

DJVU PDF Phillips, R., Phillips, J. and Miller, C. 1976, "The Brũ vowel system: alternate analyses", in The Mon-Khmer Studies Journal, vol. 5, pp. 203-217. cite.

DJVU PDF Miller, C. 1964, "The substantive phrase in Brôu", in The Mon-Khmer Studies Journal, vol. 1, pp. 63-80. cite.

DJVU PDF Miller, J. 1964, "Word classes in Brôu", in The Mon-Khmer Studies Journal, vol. 1, pp. 41-62. cite.