APA (7 वां संस्करण) प्रशस्ति पत्र
Lake, D. A. (1988). Power, Protection, and Free Trade: International Sources of U.S. Commercial Strategy, 1887–1939. Cornell University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Lake, David A. Power, Protection, and Free Trade: International Sources of U.S. Commercial Strategy, 1887–1939. Ithaca, N.Y.: Cornell University Press, 1988.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Lake, David A. Power, Protection, and Free Trade: International Sources of U.S. Commercial Strategy, 1887–1939. Cornell University Press, 1988.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.