Lewis, B. (1974). Islam: From the Prophet Muhammad to the capture of constantinople. Harper Torchbooks.
Chicago-referens (17:e uppl.)Lewis, Bernard. Islam: From the Prophet Muhammad to the Capture of Constantinople. New York: Harper Torchbooks, 1974.
MLA-referens (9:e uppl.)Lewis, Bernard. Islam: From the Prophet Muhammad to the Capture of Constantinople. Harper Torchbooks, 1974.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.