APA-referens (7:e uppl.)

International Monetary Fund. Statistics Dept. Real Sector Division. (1993). A Guide to Direction of trade statistics. International Monetary Fund.

Chicago-referens (17:e uppl.)

International Monetary Fund. Statistics Dept. Real Sector Division. A Guide to Direction of Trade Statistics. Washington, D. C: International Monetary Fund, 1993.

MLA-referens (9:e uppl.)

International Monetary Fund. Statistics Dept. Real Sector Division. A Guide to Direction of Trade Statistics. International Monetary Fund, 1993.