United Nations. Industrial Development Organization. (1969). Planning for advanced skills and technologies. United Nations.
芝加哥风格引文United Nations. Industrial Development Organization. Planning for Advanced Skills and Technologies. New York: United Nations, 1969.
MLA引文United Nations. Industrial Development Organization. Planning for Advanced Skills and Technologies. United Nations, 1969.
警告：这些引文格式不一定是100％准确.