Jaques 2007, p. 85. Jaques, Tony (2007), Dictionary of Battles and Sieges: A-E, Dictionary of Battles and Sieges: A Guide to 8,500 Battles from Antiquity Through the Twenty-first Century, vol. 1, Greenwood Publishing Group, p. 85, ISBN978-0-313-33537-2
Tucker 2009, p. 579. Tucker, Spencer (2009), A global chronology of conflict: from the ancient world to the modern Middle East, vol. 2 (illustrated ed.), ABC-CLIO, pp. 579, 587, ISBN978-1-85109-667-1