Webb, B., & Mann, J. D. (2017). The killing school: Inside the world's deadliest sniper program (First edition.). St. Martin's Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWebb, Brandon, और John David Mann. The Killing School: Inside the World's Deadliest Sniper Program. First edition. New York: St. Martin's Press, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWebb, Brandon, और John David Mann. The Killing School: Inside the World's Deadliest Sniper Program. First edition. St. Martin's Press, 2017.
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