APA aipamena

United Nations. Industrial Development Organization. (1969). Non-Ferrous metals industry. United Nations Publication.

Chicago Style aipamena

United Nations. Industrial Development Organization. Non-Ferrous Metals Industry. New York: United Nations Publication, 1969.

MLA aipamena

United Nations. Industrial Development Organization. Non-Ferrous Metals Industry. United Nations Publication, 1969.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.