International Monetary Fund. (2011). Regional economic outlook : Europe, May 2011: Strengthening the recovery. International Monetary Fund.
芝加哥风格引文International Monetary Fund. Regional Economic Outlook : Europe, May 2011: Strengthening the Recovery. Washington: International Monetary Fund, 2011.
MLA引文International Monetary Fund. Regional Economic Outlook : Europe, May 2011: Strengthening the Recovery. International Monetary Fund, 2011.
警告：这些引文格式不一定是100％准确.