APA aipamena

(1980). The coming of the age of iron. New Haven: Yale University Press.

Chicago Style aipamena

The Coming of the Age of Iron. New Haven: Yale University Press, 1980.

MLA aipamena

The Coming of the Age of Iron. New Haven: Yale University Press, 1980.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.