1Karma Nabulsi. Traditions of Justice in War: The Modem Debate in Historical Perspective, in Stathis N. Kalyvas, Ian Shapiro, and Tarek Masoud (eds.) Order, Conflict, and Violence, [C] Cambridge University Press, 2008.
2United States Army Training and Doctrine Command. TRADOC Pam 535-3-0, The Army Capstone Concept--- Operational Adaptability: Operating under conditions of uncertainty and complexty in an era of persistent conflict, 2016-2028.[R] Department of the Army Headquarters, 21 Dec, 2009.