Παραπομπή σε μορφή APA (7η εκδ.)

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.

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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