Siraj_ad-Din, A. B. (1992). The Book of certainty: The sufi doctrine of faith , vision and gnosis. The Islamic Texts Society.
Chicago Style (17th ed.) CitationSiraj_ad-Din, Abu Bakr. The Book of Certainty: The Sufi Doctrine of Faith , Vision and Gnosis. The Islamic Texts Society, 1992.
MLA (8th ed.) CitationSiraj_ad-Din, Abu Bakr. The Book of Certainty: The Sufi Doctrine of Faith , Vision and Gnosis. The Islamic Texts Society, 1992.
Warning: These citations may not always be 100% accurate.