Lake, D. A. (1990). Power, Protection, and Free Trade: International Sources of U.S. Commercial Strategy, 1887-1939. Cornell University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLake, David A. Power, Protection, and Free Trade: International Sources of U.S. Commercial Strategy, 1887-1939. Ithaca: Cornell University Press, 1990.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLake, David A. Power, Protection, and Free Trade: International Sources of U.S. Commercial Strategy, 1887-1939. Cornell University Press, 1990.
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