APA (7 ম সংস্করণ) উদ্ধৃতি

Sulaiman, I. (1987). The Islamic State and the Challenge of History: Ideals, Policies and Operation of the Sokoto Caliphate. Mansell Publishing Limited.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Sulaiman, Ibraheem. The Islamic State and the Challenge of History: Ideals, Policies and Operation of the Sokoto Caliphate. London and New York: Mansell Publishing Limited, 1987.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Sulaiman, Ibraheem. The Islamic State and the Challenge of History: Ideals, Policies and Operation of the Sokoto Caliphate. Mansell Publishing Limited, 1987.