Zarrinkub, 1975, pp. 12-13. Zarrinkub, Abd al-Husain (1975). «The Arab conquest of Iran and its aftermath». En Frye, R. N.; Fisher, William Bayne; Gershevitch, eds. The Cambridge History of Iran, Volume 4: From the Arab Invasion to the Saljuqs. Cambridge: Cambridge University Press. pp. 1-56. ISBN0-521-20093-8.
Zarrinkub, 1975, p. 13. Zarrinkub, Abd al-Husain (1975). «The Arab conquest of Iran and its aftermath». En Frye, R. N.; Fisher, William Bayne; Gershevitch, eds. The Cambridge History of Iran, Volume 4: From the Arab Invasion to the Saljuqs. Cambridge: Cambridge University Press. pp. 1-56. ISBN0-521-20093-8.
Zarrinkub, 1975, p. 19. Zarrinkub, Abd al-Husain (1975). «The Arab conquest of Iran and its aftermath». En Frye, R. N.; Fisher, William Bayne; Gershevitch, eds. The Cambridge History of Iran, Volume 4: From the Arab Invasion to the Saljuqs. Cambridge: Cambridge University Press. pp. 1-56. ISBN0-521-20093-8.
Busse, 1975, pp. 297-298. Busse, Heribert (1975). «Iran under the Būyids». En R.N. Frye, ed. The Cambridge History of Iran, Volume 4: From the Arab Invasion to the Saljuqs. Cambridge: Cambridge University Press. pp. 250-304.