Lewis, B. (1974). Islam: From the Prophet Muhammad to the capture of constantinople. Harper Torchbooks.
Lua i Stíl Chicago (17ú heag.)Lewis, Bernard. Islam: From the Prophet Muhammad to the Capture of Constantinople. New York: Harper Torchbooks, 1974.
Lua MLA (9ú heag.)Lewis, Bernard. Islam: From the Prophet Muhammad to the Capture of Constantinople. Harper Torchbooks, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.