Downing, T. (2011). Churchill's war lab: Code-breakers, scientists, and the mavericks Churchill led to victory. Overlook Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDowning, Taylor. Churchill's War Lab: Code-breakers, Scientists, and the Mavericks Churchill Led to Victory. New York: Overlook Press, 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDowning, Taylor. Churchill's War Lab: Code-breakers, Scientists, and the Mavericks Churchill Led to Victory. Overlook Press, 2011.
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