Παραπομπή APA

United Nations. Economic Commission for Europe. (1978). Three decades of the United Nations Economic Commission for Europe. New York: United Nations.

Παραπομπή Chicago Style

United Nations. Economic Commission for Europe. Three Decades of the United Nations Economic Commission for Europe. New York: United Nations, 1978.

Παραπομπή MLA

United Nations. Economic Commission for Europe. Three Decades of the United Nations Economic Commission for Europe. New York: United Nations, 1978.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.