International Monetary Fund. Statistics Dept. (2011). Direction of Trade Statistics Quarterly, September 2011. International Monetary Fund.
Chicago Style (17. basım) AtıfInternational Monetary Fund. Statistics Dept. Direction of Trade Statistics Quarterly, September 2011. Washington, D.C.: International Monetary Fund, 2011.
MLA (8th ed.) AtıfInternational Monetary Fund. Statistics Dept. Direction of Trade Statistics Quarterly, September 2011. International Monetary Fund, 2011.
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