APA (7th ed.) Zitazioa
Higgins, R. A. (1998). Engineering metallurgy: Applied Physical Metallurgy (6th ed.). Viva Books.
Chicago Style (17th ed.) Zitazioa
Higgins, Raymond Aurelius. Engineering Metallurgy: Applied Physical Metallurgy. 6th ed. New Delhi: Viva Books, 1998.
MLA (9th ed.) Zitazioa
Higgins, Raymond Aurelius. Engineering Metallurgy: Applied Physical Metallurgy. 6th ed. Viva Books, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.