Rensch 1992, pp. 7–8, 57. Rensch, Calvin R. (1992). "The Language Environment of Hindko-Speaking People". In O'Leary, Clare F.; Rensch, Calvin R.; Hallberg, Calinda E. (eds.). Hindko and Gujari. Sociolinguistic Survey of Northern Pakistan. Islamabad: National Institute of Pakistan Studies, Quaid-i-Azam University and Summer Institute of Linguistics. ISBN969-8023-13-5.
Singh 1970, p. 142. Singh, Atam (1970). "An introduction to the dialects of Punjabi". Pākhā sanjam. 3 (1). ISSN0556-4417. The account of Thali here is based entirely on Grierson's Linguistic Survey of India.