Moses, P. (2009). The saint and the sultan: The Crusades, Islam, and Francis of Assisi's mission of peace. Doubleday Religion.
Chicago-viite (17. p.)Moses, Paul. The Saint and the Sultan: The Crusades, Islam, and Francis of Assisi's Mission of Peace. New York: Doubleday Religion, 2009.
MLA-viite (8. p.)Moses, Paul. The Saint and the Sultan: The Crusades, Islam, and Francis of Assisi's Mission of Peace. Doubleday Religion, 2009.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.