International Monetary Fund. Statistics Dept. (2014). Direction of Trade Statistics, December 2014. International Monetary Fund.
Cita Chicago (17th ed.)International Monetary Fund. Statistics Dept. Direction of Trade Statistics, December 2014. Washington, D.C.: International Monetary Fund, 2014.
Cita MLA (8th ed.)International Monetary Fund. Statistics Dept. Direction of Trade Statistics, December 2014. International Monetary Fund, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.