↑Decker, Kendall D. (1992). Languages of Chitral. Sociolinguistic Survey of Northern Pakistan, volume 5. Islamabad, Pakistan: National Institute of Pakistan Studies, Quaid-i-Azam University. pp. 153–154. ISBN978-969-8023-15-7.
↑Bashir, Elena (2007). Jain, Danesh; Cardona, George (บ.ก.). The Indo-Aryan languages. p. 905. ISBN978-0415772945. 'Dardic' is a geographic cover term for those Northwest Indo-Aryan languages which [..] developed new characteristics different from the IA languages of the Indo-Gangetic plain. Although the Dardic and Nuristani (previously 'Kafiri') languages were formerly grouped together, Morgenstierne (1965) has established that the Dardic languages are Indo-Aryan, and that the Nuristani languages constitute a separate subgroup of Indo-Iranian.