Hammarström, Harald; Forkel, Robert; Haspelmath, Martin; Bank, Sebastian, ур. (2016). „Tai–Kadai”. Glottolog 2.7. Jena: Max Planck Institute for the Science of Human History.
Peter Jenks and Pittayawat Pittayaporn. Kra-Dai Languages. Oxford Bibliographies in "Linguistics", Ed. Mark Aranoff. New York: Oxford University Press.
Hammarström, Harald; Forkel, Robert; Haspelmath, Martin; Bank, Sebastian, ур. (2016). „Tai–Kadai”. Glottolog 2.7. Jena: Max Planck Institute for the Science of Human History.