APA (7th ed.) Zitazioa
The Lincoln Electric Company. (1973). The procedure handbook of arc welding (12th ed.). Export Representatives.
Chicago Style (17th ed.) Zitazioa
The Lincoln Electric Company. The Procedure Handbook of Arc Welding. 12th ed. Ohio: Export Representatives, 1973.
MLA (9th ed.) Zitazioa
The Lincoln Electric Company. The Procedure Handbook of Arc Welding. 12th ed. Export Representatives, 1973.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.