Cita APA (7th ed.)

United Nations. (1968). World trade in steel and steel demand in developing countries. United Nations Publication.

Cita Chicago (17th ed.)

United Nations. World Trade in Steel and Steel Demand in Developing Countries. New York: United Nations Publication, 1968.

Cita MLA (9th ed.)

United Nations. World Trade in Steel and Steel Demand in Developing Countries. United Nations Publication, 1968.