United Nations Department of Economic and Social Affairs. (1974). Journal of development planning. United Nations.
芝加哥风格引文United Nations Department of Economic and Social Affairs. Journal of Development Planning. New York: United Nations, 1974.
MLA引文United Nations Department of Economic and Social Affairs. Journal of Development Planning. United Nations, 1974.
警告:这些引文格式不一定是100%准确.