International Monetary Fund & ebrary, Inc. (2008). Regional economic outlook. International Monetary Fund.
Chicago Style (17th ed.) ZitazioaInternational Monetary Fund eta Inc ebrary. Regional Economic Outlook. [Washington, D.C.]: International Monetary Fund, 2008.
MLA (9th ed.) ZitazioaInternational Monetary Fund eta Inc ebrary. Regional Economic Outlook. International Monetary Fund, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.