International Monetary Fund. Statistics Dept. (2011). Direction of Trade Statistics Quarterly, December 2011. International Monetary Fund.
Style de citation Chicago (17e éd.)International Monetary Fund. Statistics Dept. Direction of Trade Statistics Quarterly, December 2011. Washington, D.C.: International Monetary Fund, 2011.
Style de citation MLA (8e éd.)International Monetary Fund. Statistics Dept. Direction of Trade Statistics Quarterly, December 2011. International Monetary Fund, 2011.
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