United Nations Conference on Trade and Development. Secretariat. (1998). The least developed countries: 1998 report. United Nations.
芝加哥风格引文United Nations Conference on Trade and Development. Secretariat. The Least Developed Countries: 1998 Report. New York: United Nations, 1998.
MLA引文United Nations Conference on Trade and Development. Secretariat. The Least Developed Countries: 1998 Report. United Nations, 1998.
警告：这些引文格式不一定是100％准确.