DJVU PDF Dellinger, D.W. 1973, "Structure and Rules in Akha Morphology", in Papers in Southeast Asian Linguistics No.3, ed. S.A. Wurm, vol. 3, pp. 1-18. Pacific Linguistics, the Australian National University. cite.

DJVU PDF Katsura, M. 1973, "Phonemes of the Alu Dialect of Akha", in Papers in Southeast Asian Linguistics No.3, ed. S.A. Wurm, vol. 3, pp. 35-54. Pacific Linguistics, the Australian National University. cite.

DJVU PDF Hishida, T. 1973, "A Preliminary Study of the Bisu Language - a Language of Northeastern Thailand, Recently Discovered by Us", in Papers in Southeast Asian Linguistics No.3, ed. S.A. Wurm, vol. 3, pp. 55-82. Pacific Linguistics, the Australian National University. cite.

DJVU PDF Hope, E.R. 1973, "Selected Phonological Rules for Thailand Lisu", in Papers in Southeast Asian Linguistics No.3, ed. S.A. Wurm, vol. 3, pp. 19-34. Pacific Linguistics, the Australian National University. cite.