International Monetary Fund. Statistics Dept. (1976). Direction of Trade Statistics Yearbook, 1976 Edition. International Monetary Fund.
芝加哥风格引文International Monetary Fund. Statistics Dept. Direction of Trade Statistics Yearbook, 1976 Edition. Washington, D.C.: International Monetary Fund, 1976.
MLA引文International Monetary Fund. Statistics Dept. Direction of Trade Statistics Yearbook, 1976 Edition. International Monetary Fund, 1976.
警告：这些引文格式不一定是100％准确.