International Monetary Fund. Statistics Dept. (2011). Direction of Trade Statistics Quarterly, September 2011. International Monetary Fund.
Cita Chicago Style (17a ed.)International Monetary Fund. Statistics Dept. Direction of Trade Statistics Quarterly, September 2011. Washington, D.C.: International Monetary Fund, 2011.
Cita MLA (8a ed.)International Monetary Fund. Statistics Dept. Direction of Trade Statistics Quarterly, September 2011. International Monetary Fund, 2011.
Precaución: Estas citas no son 100% exactas.