DJVU PDF Dellinger, D.W. 1975, "Thai modals", in Studies in Tai Linguistics in Honor of William J. Gedney, ed. J.G. Harris and J.R. Chamberlain, pp. 89-99. Central Institute of English Language. cite.

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.