DJVU PDF Benedict, P.K. 1997, "Tai Languages: Key to Austro-Tai", in Southeast Asian Linguistics Studies In Honor of Vichin Panupong, ed. A.S. Abramson, pp. 25-28. Chulalongkorn University Press. cite.
DJVU PDF Hongladarom, K. 1997, "Historical Development of the Tibetan Evidential tuu", in Southeast Asian Linguistics Studies In Honor of Vichin Panupong, ed. A.S. Abramson, pp. 115-126. Chulalongkorn University Press. cite.