Kenyon, D. (2019). Bletchley Park and D-Day: The untold story of how the battle for Normandy was won. Yale University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKenyon, David. Bletchley Park and D-Day: The Untold Story of How the Battle for Normandy Was Won. New Haven: Yale University Press, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKenyon, David. Bletchley Park and D-Day: The Untold Story of How the Battle for Normandy Was Won. Yale University Press, 2019.
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