APA aipamena

(1956). Symposium on powder metallurgy 1954. London: Iron and Steel Institute.

Chicago Style aipamena

Symposium On Powder Metallurgy 1954. London: Iron and Steel Institute, 1956.

MLA aipamena

Symposium On Powder Metallurgy 1954. London: Iron and Steel Institute, 1956.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.