Cita APA (7a ed.)

Naciones Unidas. Economic Comission for Europe; Génova. (1989). The importance of the iron and steel industry for the economic activity of ECE member countries. Naciones Unidas.

Cita Chicago Style (17a ed.)

Naciones Unidas. Economic Comission for Europe; Génova. The Importance of the Iron and Steel Industry for the Economic Activity of ECE Member Countries. Nueva York: Naciones Unidas, 1989.

Cita MLA (9a ed.)

Naciones Unidas. Economic Comission for Europe; Génova. The Importance of the Iron and Steel Industry for the Economic Activity of ECE Member Countries. Naciones Unidas, 1989.