Silber, M. D. (2012). The Al Qaeda factor: Plots against the West. University of Pennsylvania Press.
芝加哥风格引文Silber, Mitchell D. The Al Qaeda Factor: Plots Against the West. Philadelphia: University of Pennsylvania Press, 2012.
MLA引文Silber, Mitchell D. The Al Qaeda Factor: Plots Against the West. University of Pennsylvania Press, 2012.
警告：这些引文格式不一定是100％准确.