David J. Phillips: Peoples on the Move: introducing the nomads of the world Piquant, Carlisle 2001, ISBN 1-903689-05-8, S. 271 (books.google.com Eingeschränkte Vorschau).
M. Nazif Mohib Shahrani: The Kirghiz and Wakhi of Afghanistan. University of Washington Press, Seattle 2002, S. 216, ISBN 0-295-98262-4 (books.google.com).