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.
Chicago-referens (17:e uppl.)Seminar on the Use of Systems of Models in Planning, Moscow, 1974, och United Nations. Economic Commission for Europe. Use of the Systems of Models in Planning. New York: United Nations, 1975.
MLA-referens (9:e uppl.)Seminar on the Use of Systems of Models in Planning, Moscow, 1974, och United Nations. Economic Commission for Europe. Use of the Systems of Models in Planning. United Nations, 1975.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.