DJVU PDF Tingsabadh, M.R.K. 2001, "Thai tone geography", in Essays in Tai Linguistics, ed. M.R. Kalaya Tingsabadh and A.S. Abramson, pp. 205-228. Chulalongkorn University Press. cite.

DJVU PDF Pranee Kullavanijaya. 2001, "A study of lexical variation in seven Zhuang dialects", in Essays in Tai Linguistics, ed. M.R. Kalaya Tingsabadh and A.S. Abramson, pp. 229-258. Chulalongkorn University Press. cite.