International Monetary Fund. (2011). Regional economic outlook : Europe, May 2011: Strengthening the recovery. International Monetary Fund.
Chicagoスタイル(17版)引用形式International Monetary Fund. Regional Economic Outlook : Europe, May 2011: Strengthening the Recovery. Washington: International Monetary Fund, 2011.
MLA(9版)引用形式International Monetary Fund. Regional Economic Outlook : Europe, May 2011: Strengthening the Recovery. International Monetary Fund, 2011.
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