Παραπομπή APA
Economic Commission for Europe. (1997). The steel market in 1996 and prospects for 1997. New York: United Nations.
Παραπομπή Chicago StyleEconomic Commission for Europe. The Steel Market in 1996 and Prospects for 1997. New York: United Nations, 1997.
Παραπομπή MLAEconomic Commission for Europe. The Steel Market in 1996 and Prospects for 1997. New York: United Nations, 1997.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.