Johnson, B. (2014). The Churchill factor: How one man made history. Riverhead Books, a member of Penguin Group (USA).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJohnson, Boris. The Churchill Factor: How One Man Made History. New York: Riverhead Books, a member of Penguin Group (USA), 2014.
एमएलए (8वां संस्करण) प्रशस्ति पत्रJohnson, Boris. The Churchill Factor: How One Man Made History. Riverhead Books, a member of Penguin Group (USA), 2014.
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