Tolan, J. V. (2009). Saint Francis and the sultan: The curious history of a Christian-Muslim encounter. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Tolan, John Victor. Saint Francis and the Sultan: The Curious History of a Christian-Muslim Encounter. Oxford ; New York: Oxford University Press, 2009.
Lua MLA (8ú heag.)Tolan, John Victor. Saint Francis and the Sultan: The Curious History of a Christian-Muslim Encounter. Oxford University Press, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.