Dyfyniad APA

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.

Dyfyniad Arddull Chicago

Seminar on the Use of Systems of Models in Planning, Moscow, 1974, and United Nations. Economic Commission for Europe. Use of the Systems of Models in Planning. New York: United Nations, 1975.

Dyfyniad MLA

Seminar on the Use of Systems of Models in Planning, Moscow, 1974, and United Nations. Economic Commission for Europe. Use of the Systems of Models in Planning. United Nations, 1975.

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