Ostapirat, Weera. Austro-Tai revisited(PDF). 23rd Annual Meeting of the Southeast Asian Linguistic Society. 2013, 29 [2019-04-30]. (原始内容(PDF)存档于2016-10-20) (英语).
Ostapirat, Weera. Austro-Tai revisited(PDF). 23rd Annual Meeting of the Southeast Asian Linguistic Society. 2013, 29 [2019-04-30]. (原始内容(PDF)存档于2016-10-20) (英语).