DJVU PDF Amon Thavisak. 2004, "Fo behavior of vowels influenced by aspirated and unaspirated initials in Southeast Asian languages: implications for tonogenesis theories", in Papers from the Eleventh Annual Meeting of the Southeast Asian Linguistics Society, ed. S. Burusphat, Tempe, Arizona, pp. 721-730. Arizona State University, Program for Southeast Asian Studies. cite.

DJVU PDF Amon Thavisak. 2000, "The effects of glottal finals on pitch in SEA languages", in The 33rd International Conference on Sino-Tibentan Languages and Linguistics, Bangkok, Thailand, pp. 372-377. Ramkhamhaeng University. cite.

DJVU PDF Thavisak, A. 1988, "Malay dialects in Thailand", in The International Symposium on Language and Linguistics, ed. C. Bamroongraks et al., Bangkok, Thailand, pp. 263-274. Thammasat University. cite.