Gw mau tau Lihat pula dari Kejatuhan Konstantinopel

Smith, Michael Llewellyn, "The Fall of Constantinople", in History Makers magazine No. 5 (London, Marshall Cavendish, Sidgwick & Jackson, 1969) p. 192

Andrew Wheatcroft: The Infidels: The Conflict Between Christendom and Islam, 638–2002 (2003) Viking Publishing ISBN 0-670-86942-2

Justin Wintle: The Rough Guide History of Islam (2003) Rough Guides ISBN 1-84353-018-X