Ungerer, H. (1990). The European monetary system: Developments and perspectives. International Monetary Fund.
芝加哥风格引文Ungerer, Horst. The European Monetary System: Developments and Perspectives. Washington, D.C: International Monetary Fund, 1990.
MLA引文Ungerer, Horst. The European Monetary System: Developments and Perspectives. International Monetary Fund, 1990.
警告：这些引文格式不一定是100％准确.