APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.