Clavijo, S. (2009). Social Security Reforms in Colombia: Striking Demographic and Fiscal Balances. International Monetary Fund.
芝加哥风格引文Clavijo, Sergio. Social Security Reforms in Colombia: Striking Demographic and Fiscal Balances. Washington, D.C.: International Monetary Fund, 2009.
MLA引文Clavijo, Sergio. Social Security Reforms in Colombia: Striking Demographic and Fiscal Balances. International Monetary Fund, 2009.
警告：这些引文格式不一定是100％准确.