Norquest, Peter (2021). "Classification of (Tai-)Kadai/Kra-Dai languages". The Languages and Linguistics of Mainland Southeast Asia. De Gruyter. hlm. 225–246. doi:10.1515/9783110558142-013.
"Bahasa Lakkia". www.ethnologue.com (dalam bahasa Inggris). SIL Ethnologue.
glottolog.org
Hammarström, Harald; Forkel, Robert; Haspelmath, Martin, ed. (2023). "Lakkia". Glottolog 4.8. Jena, Jerman: Max Planck Institute for the Science of Human History.Pemeliharaan CS1: Tampilkan editors (link)