DJVU PDF Goschnick, H. 1977, "Haroi Clauses", in Papers in Southeast Asian Linguistics No.4, Chamic Studies, ed. D. Thomas et al., vol. 4, pp. 105-124. Pacific Linguistics, the Australian National University. cite.

DJVU PDF Lee, E.W. 1977, "Devoicing, Aspiration, and Vowel Split in Haroi: Evidence for Register (Constrastive Tongue-Root Position)", in Papers in Southeast Asian Linguistics No.4, Chamic Studies, ed. D. Thomas et al., vol. 4, pp. 87-104. Pacific Linguistics, the Australian National University. cite.

DJVU PDF Mundhenk, A.T. and Goschnick, H. 1977, "Haroi Phonemes", in Papers in Southeast Asian Linguistics No.4, Chamic Studies, ed. D. Thomas et al., vol. 4, pp. 1-16. Pacific Linguistics, the Australian National University. cite.

DJVU PDF Thurgood, G. 1997, "Restructured Register in Haroi: Reconstructing its Historical Origins", in Southeast Asian Linguistics Studies In Honor of Vichin Panupong, ed. A.S. Abramson, pp. 283-297. Chulalongkorn University Press. cite.