Tolong jelaskan mengenai Sumber dari Rumpun bahasa Dardik

Morgenstierne, G. Irano-Dardica. Wiesbaden 1973;

Morgenstierne, G. Die Stellung der Kafirsprachen. In Irano-Dardica, 327-343. Wiesbaden, Reichert 1975

Decker, Kendall D. Sociolinguistic Survey of Northern Pakistan, Volume 5. Languages of Chitral.

The Comparative study of Urdu and Khowar. Badshah Munir Bukhari National Language Authority Pakistan 2003.

National Institute of Pakistani Studies, Quaid-i-Azam University & Summer Institute of Linguistics