International Monetary Fund. Statistics Dept. (1987). Direction of Trade Statistics Yearbook, 1987 Edition. International Monetary Fund.
Chicago-Zitierstil (17. Ausg.)International Monetary Fund. Statistics Dept. Direction of Trade Statistics Yearbook, 1987 Edition. Washington, D.C.: International Monetary Fund, 1987.
MLA-Zitierstil (8. Ausg.)International Monetary Fund. Statistics Dept. Direction of Trade Statistics Yearbook, 1987 Edition. International Monetary Fund, 1987.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.