Tolong jelaskan mengenai Sumber dari Zengi

Amin Maalouf, The Crusades Through Arab Eyes, 1985

Steven Runciman, A History of the Crusades, vol. II: The Kingdom of Jerusalem. Cambridge University Press, 1952.

The Damascus Chronicle of the Crusades, Extracted and Translated from the Chronicle of Ibn al-Qalanisi. H.A.R. Gibb, 1932 (reprint, Dover Publications, 2002).

William of Tyre, A History of Deeds Done Beyond the Sea, trans. E.A. Babcock and A.C. Krey. Columbia University Press, 1943.

An Arab-Syrian Gentleman and Warrior in the Period of the Crusades; Memoirs of Usamah ibn-Munqidh (Kitab al i'tibar), trans. Philip K. Hitti. New York, 1929.

The Second Crusade Scope and Consequences Edited by Jonathan Phillips & Martin Hoch, 2001.