Williams, W. A. The war for the American frontier: World war II / William Appleman Williams. Twentieth-century america : recent interpretations.(1972).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWilliams, William Appleman. "The War for the American Frontier: World War II / William Appleman Williams." Twentieth-century America : Recent Interpretations.(1972) .
एमएलए (8वां संस्करण) प्रशस्ति पत्रWilliams, William Appleman. "The War for the American Frontier: World War II / William Appleman Williams." Twentieth-century America : Recent Interpretations.(1972), .
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