Hammarström, Harald; Forkel, Robert; Haspelmath, Martin, ed. (2023). "Kajtak". Glottolog 4.8. Jena, Jerman: Max Planck Institute for the Science of Human History.Pemeliharaan CS1: Tampilkan editors (link)
sociolinguistics.ru
Mutalov, R.O. The classification of the Dargin languages and dialects [online] // Sociolinguistics, 2021. No. 3 (7). Pp.8–25. (In Russ.) DOI: 10.37892/2713-2951-3-7-8-25