International Monetary Fund. Statistics Dept. (2002). Direction of Trade Statistics June 2002. International Monetary Fund.
芝加哥风格引文International Monetary Fund. Statistics Dept. Direction of Trade Statistics June 2002. Washington, D.C.: International Monetary Fund, 2002.
MLA引文International Monetary Fund. Statistics Dept. Direction of Trade Statistics June 2002. International Monetary Fund, 2002.
警告：这些引文格式不一定是100％准确.