APA aipamena

International Monetary Fund. Statistics Dept. (2008). Direction of Trade Statistics Quarterly, September 2008. International Monetary Fund.

Chicago Style aipamena

International Monetary Fund. Statistics Dept. Direction of Trade Statistics Quarterly, September 2008. Washington, D.C.: International Monetary Fund, 2008.

MLA aipamena

International Monetary Fund. Statistics Dept. Direction of Trade Statistics Quarterly, September 2008. International Monetary Fund, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.