Arreguín-Toft, I. (2003). The (f)utility of barbarism: Assessing the impact of the systemic harm of non-combatants in war. Retrieved September 6, 2006, from http://www.ksg.harvard.edu/wappp/research/working/ivan_toft.pdf .
2.
Mack, A. (1975). Why big nations lose small wars: The politics of asymmetric conflict. World Politics, 27(2), 175-200.
3.
Merom, G. (2003). How democracies lose small wars: State, society, and the failures of France in Algeria, Israel in Lebanon, and the United States in Vietnam. Cambridge, UK: Cambridge University Press.