Yeats, A. J. (1994). What are OECD trade preferences worth to Sub-Saharan Africa? World Bank, International Economics Department, International Trade Division.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रYeats, Alexander J. What Are OECD Trade Preferences Worth to Sub-Saharan Africa? Washington, D.C: World Bank, International Economics Department, International Trade Division, 1994.
एमएलए (9वां संस्करण) प्रशस्ति पत्रYeats, Alexander J. What Are OECD Trade Preferences Worth to Sub-Saharan Africa? World Bank, International Economics Department, International Trade Division, 1994.
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