United Nations. Dept. of Economic and Social Affairs. (1974). Organization and administration of environmental programmes. United Nations.
芝加哥风格引文United Nations. Dept. of Economic and Social Affairs. Organization and Administration of Environmental Programmes. New York: United Nations, 1974.
MLA引文United Nations. Dept. of Economic and Social Affairs. Organization and Administration of Environmental Programmes. United Nations, 1974.
警告：这些引文格式不一定是100％准确.