APA aipamena

Robbins, P. (1979). Guide to non-ferrous metals and their markets. London: Kogan Page.

Chicago Style aipamena

Robbins, Peter. Guide to Non-ferrous Metals and Their Markets. London: Kogan Page, 1979.

MLA aipamena

Robbins, Peter. Guide to Non-ferrous Metals and Their Markets. London: Kogan Page, 1979.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.