R. Scott Appleby, The ambivalence of the sacred: religion, violence, and reconciliation, Carnegie Commission on Preventing Deadly Conflict series, Rowman & Littlefield, 2000, p. 103, ISBN 0-8476-8555-1, 9780847685554
Carol Lansing, Edward D. English, A companion to the medieval world, Volume 7, John Wiley and Sons, 2009, p. 457, ISBN 1-4051-0922-X, 9781405109222
Mary E. Hunt, Diann L. Neu, New Feminist Christianity: Many Voices, Many Views, SkyLight Paths Publishing, 2010, p. 122, ISBN 1-59473-285-X, 9781594732850
Nur Masalha, The Bible and Zionism: invented traditions, archaeology and post-colonialism in Palestine-Israel, Volume 1, Zed Books, 2007, p. 116, ISBN 1-84277-761-0, 9781842777619
Joshua Cohen, Ian Lague, Khaled Abou El Fadl, The place of tolerance in Islam, Beacon Press, 2002, p. 23, ISBN 0-8070-0229-1, 9780807002292
Gareth Jenkins, Political Islam in Turkey: running west, heading east?, Macmillan, 2008, p. 59, ISBN 1-4039-6883-7, 9781403968838
Mark W. Smith, The Official Handbook of the Vast Right-Wing Conspiracy 2008: The Arguments You Need to Defeat the Loony Left This Election Year, Regnery Publishing, 2007, p. 27, ISBN 1-59698-049-4, 9781596980495
Robert Spencer, Stealth jihad: how radical Islam is subverting America without guns or bombs, Regnery Publishing, 2008, p. 101, 203, 207, ISBN 1-59698-556-9, 9781596985568