Downing, T. (2022). 1942: Winston Churchill and Britain's darkest hour (First Pegasus Books cloth edition.). Pegasus Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDowning, Taylor. 1942: Winston Churchill and Britain's Darkest Hour. First Pegasus Books cloth edition. New York: Pegasus Books, 2022.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDowning, Taylor. 1942: Winston Churchill and Britain's Darkest Hour. First Pegasus Books cloth edition. Pegasus Books, 2022.
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