Clements, B. (1999). The Efficiency of Education Expenditure in Portugal. International Monetary Fund.
芝加哥风格引文Clements, Benedict. The Efficiency of Education Expenditure in Portugal. Washington, D.C.: International Monetary Fund, 1999.
MLA引文Clements, Benedict. The Efficiency of Education Expenditure in Portugal. International Monetary Fund, 1999.
警告：这些引文格式不一定是100％准确.