International Monetary Fund. Research Dept. (1991). World Economic Outlook, October 1991. International Monetary Fund.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रInternational Monetary Fund. Research Dept. World Economic Outlook, October 1991. Washington, D.C.: International Monetary Fund, 1991.
एमएलए (8वां संस्करण) प्रशस्ति पत्रInternational Monetary Fund. Research Dept. World Economic Outlook, October 1991. International Monetary Fund, 1991.
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