APA aipamena

International Monetary Fund. Statistics Dept. (1987). Direction of Trade Statistics Yearbook, 1987 Edition. International Monetary Fund.

Chicago Style aipamena

International Monetary Fund. Statistics Dept. Direction of Trade Statistics Yearbook, 1987 Edition. Washington, D.C.: International Monetary Fund, 1987.

MLA aipamena

International Monetary Fund. Statistics Dept. Direction of Trade Statistics Yearbook, 1987 Edition. International Monetary Fund, 1987.