APA aipamena

Alexander, W. (1951). Metals in the service of man. London: Penguin Books.

Chicago Style aipamena

Alexander, W. Metals in the Service of Man. London: Penguin Books, 1951.

MLA aipamena

Alexander, W. Metals in the Service of Man. London: Penguin Books, 1951.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.