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.

DJVU PDF Hope, E.R. 1971, "Problems of Phone Assignment in the Description of Thailand Lisu Phonology", in Papers in Southeast Asian Linguistics No.2, ed. S.A. Wurm, vol. 2, pp. 53-78. Pacific Linguistics, the Australian National University. cite.