DJVU PDF Luong, H. 1992, "The dialects of White Thai people in Vietnam", in The Third International Symposium on Language and Linguistics, Bangkok, Thailand, pp. 91-93. Chulalongkorn University. cite.

DJVU PDF Cuong, C. 1992, "Studying of Vietnamese Thai's script: its comparison with the script of Thailand", in The Third International Symposium on Language and Linguistics, Bangkok, Thailand, pp. 614-627. Chulalongkorn University. cite.