International Monetary Fund. (2011). Regional economic outlook : Europe, May 2011: Strengthening the recovery. International Monetary Fund.
Chicago-viite (17. p.)International Monetary Fund. Regional Economic Outlook : Europe, May 2011: Strengthening the Recovery. Washington: International Monetary Fund, 2011.
MLA-viite (9. p.)International Monetary Fund. Regional Economic Outlook : Europe, May 2011: Strengthening the Recovery. International Monetary Fund, 2011.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.