Cita APA (7th ed.)
International Monetary Fund. (1997). Direction of trade statistics. International Monetary Fund.
Cita Chicago (17th ed.)
International Monetary Fund. Direction of Trade Statistics. Washington, D.C.: International Monetary Fund, 1997.
Cita MLA (9th ed.)
International Monetary Fund. Direction of Trade Statistics. International Monetary Fund, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.