Clodfelter, M. (2010). Beneficial bombing: The progressive foundations of American air power, 1917-1945. University of Nebraska Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रClodfelter, Mark. Beneficial Bombing: The Progressive Foundations of American Air Power, 1917-1945. Lincoln: University of Nebraska Press, 2010.
एमएलए (9वां संस्करण) प्रशस्ति पत्रClodfelter, Mark. Beneficial Bombing: The Progressive Foundations of American Air Power, 1917-1945. University of Nebraska Press, 2010.
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