APA-Zitierstil (7. Ausg.)

Não informado. Statistics of world trade in steel. United Nations, Economic Commission for Europe.

Chicago-Zitierstil (17. Ausg.)

Não informado. Statistics of World Trade in Steel. New York: United Nations, Economic Commission for Europe.

MLA-Zitierstil (8. Ausg.)

Não informado. Statistics of World Trade in Steel. United Nations, Economic Commission for Europe.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.