Moses, P. (2009). The saint and the sultan: The Crusades, Islam, and Francis of Assisi's mission of peace. Doubleday Religion.
Chicago-referens (17:e uppl.)Moses, Paul. The Saint and the Sultan: The Crusades, Islam, and Francis of Assisi's Mission of Peace. New York: Doubleday Religion, 2009.
MLA-referens (8:e uppl.)Moses, Paul. The Saint and the Sultan: The Crusades, Islam, and Francis of Assisi's Mission of Peace. Doubleday Religion, 2009.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.