Seminar on the Use of Systems of Models in Planning, Moscow, 1974, & United Nations. Economic Commission for Europe. (1975). Use of the systems of models in planning. United Nations.
芝加哥风格引文Seminar on the Use of Systems of Models in Planning, Moscow, 1974, 与 United Nations. Economic Commission for Europe. Use of the Systems of Models in Planning. New York: United Nations, 1975.
MLA引文Seminar on the Use of Systems of Models in Planning, Moscow, 1974, 与 United Nations. Economic Commission for Europe. Use of the Systems of Models in Planning. United Nations, 1975.
警告：这些引文格式不一定是100％准确.