(页面存档备份,存于互联网档案馆), ISBN 9781933146195. Robert Spencer. ThePoliticallyIncorrectGuideto Islam (And the Crusades). Regnery Publishing. 2005: 200 [2014-10-25]
California Press, 1999, ISBN 0520216237 (英文)Crocker, H. W., ThePoliticallyIncorrectGuidetothe British Empire, Regnery Publishing, 2011, ISBN 1596986298
ISBN 978-9004094192. From the Beginning of Revelation. [19 September 2005]. 原始内容存档于9 November 2005. Sodiq, Yushau. Insider's Guideto Islam. Bloomington, Indiana: