Cohn, E. J. (1954). Industry in the Pacific Northwest and the location theory. King's Crown Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCohn, Edwin J. Industry in the Pacific Northwest and the Location Theory. New York: King's Crown Press, 1954.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCohn, Edwin J. Industry in the Pacific Northwest and the Location Theory. King's Crown Press, 1954.
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