Naciones Unidas. Comisión Económica para Europa. (1989). The importance of the iron and steel industry for the economic activity of ECE member countries. United Nations.
Chicago Style (17th ed.) CitationNaciones Unidas. Comisión Económica para Europa. The Importance of the Iron and Steel Industry for the Economic Activity of ECE Member Countries. New York: United Nations, 1989.
MLA (9th ed.) CitationNaciones Unidas. Comisión Económica para Europa. The Importance of the Iron and Steel Industry for the Economic Activity of ECE Member Countries. United Nations, 1989.