Coughlin, J., & Bruning, J. R. (2014). Shock factor: America's snipers in the War on Terror (First edition.). St. Martin's Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCoughlin, Jack, और John R. Bruning. Shock Factor: America's Snipers in the War on Terror. First edition. New York: St. Martin's Press, 2014.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCoughlin, Jack, और John R. Bruning. Shock Factor: America's Snipers in the War on Terror. First edition. St. Martin's Press, 2014.
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