United Nations. Department of Economic and Social Affairs. (2003). World public sector report 2003: E-government at the crossroads. United Nations, Dept. of Economic and Social Affairs.
芝加哥风格引文United Nations. Department of Economic and Social Affairs. World Public Sector Report 2003: E-government at the Crossroads. New York: United Nations, Dept. of Economic and Social Affairs, 2003.
MLA引文United Nations. Department of Economic and Social Affairs. World Public Sector Report 2003: E-government at the Crossroads. United Nations, Dept. of Economic and Social Affairs, 2003.
警告：这些引文格式不一定是100％准确.