Polmar, N., & Gresham, J. (2006). Defcon-2: Standing on the brink of nuclear war during the Cuban missile crisis. Wiley.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPolmar, Norman, और John Gresham. Defcon-2: Standing on the Brink of Nuclear War During the Cuban Missile Crisis. Hoboken, N.J.: Wiley, 2006.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPolmar, Norman, और John Gresham. Defcon-2: Standing on the Brink of Nuclear War During the Cuban Missile Crisis. Wiley, 2006.
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