Style de citation APA (7e éd.)

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

Style de citation Chicago (17e éd.)

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

Style de citation MLA (8e éd.)

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

Attention : ces citations peuvent ne pas être correctes à 100%.