Hansen, D. M. (2014). Battle ready: The National Coast Defense System and the fortification of Puget Sound, 1894-1925. Washington State University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHansen, David M. Battle Ready: The National Coast Defense System and the Fortification of Puget Sound, 1894-1925. Pullman, Washington: Washington State University Press, 2014.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHansen, David M. Battle Ready: The National Coast Defense System and the Fortification of Puget Sound, 1894-1925. Washington State University Press, 2014.
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