↑ Bosworth, Clifford Edmund (1977) The Later Ghaznavids: Splendour and Decay: The Dynasty in Afghanistan and Northern India, 1040-1186 Columbia University Press, New York, pp. 120-31, ISBN 0-231-04428-3; see also the original source, Ibn Bābā's chapter on the Graznavids, pp. 132-144.
