APA aipamena

Mezger, D. (1980). Copper in the world economy. London: Heinemann.

Chicago Style aipamena

Mezger, Dorothe. Copper in the World Economy. London: Heinemann, 1980.

MLA aipamena

Mezger, Dorothe. Copper in the World Economy. London: Heinemann, 1980.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.