Kravis, I. B., & Lipsey, R. E. (1966). Comparative prices of nonferrous metals in international trade, 1953-64. National Bureau of Economic Research.
Chicago Style (17. basım) AtıfKravis, Irving B., ve Robert E. Lipsey. Comparative Prices of Nonferrous Metals in International Trade, 1953-64. New York: National Bureau of Economic Research, 1966.
MLA (9th ed.) AtıfKravis, Irving B., ve Robert E. Lipsey. Comparative Prices of Nonferrous Metals in International Trade, 1953-64. National Bureau of Economic Research, 1966.
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