United Nations. Economic Commission for Europe Geneva. (1972). Economic survey of Europe in 1971. United Nations Publication.
芝加哥风格引文United Nations. Economic Commission for Europe Geneva. Economic Survey of Europe in 1971. New York: United Nations Publication, 1972.
MLA引文United Nations. Economic Commission for Europe Geneva. Economic Survey of Europe in 1971. United Nations Publication, 1972.
警告：这些引文格式不一定是100％准确.