(2000). External debt statistics: Historical data 1988-1999. OECD.
芝加哥风格引文External Debt Statistics: Historical Data 1988-1999. Paris Cedex, France: OECD, 2000.
MLA引文External Debt Statistics: Historical Data 1988-1999. OECD, 2000.
警告：这些引文格式不一定是100％准确.