United Nations. Economic Commission for Africa. (1966). Report of the ECA mission on economic cooperation in Central Africa. United Nations.
芝加哥风格引文United Nations. Economic Commission for Africa. Report of the ECA Mission on Economic Cooperation in Central Africa. New York: United Nations, 1966.
MLA引文United Nations. Economic Commission for Africa. Report of the ECA Mission on Economic Cooperation in Central Africa. United Nations, 1966.
警告：这些引文格式不一定是100％准确.