International Monetary Fund. (1981). International Monetary Fund Annual Report 1981. International Monetary Fund.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रInternational Monetary Fund. International Monetary Fund Annual Report 1981. Washington, D.C.: International Monetary Fund, 1981.
एमएलए (8वां संस्करण) प्रशस्ति पत्रInternational Monetary Fund. International Monetary Fund Annual Report 1981. International Monetary Fund, 1981.
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