American National Standards Institute. (1985). Guide for the Nonstructive Inspection of Welds. American: American Welding Society.
Dyfyniad Arddull ChicagoAmerican National Standards Institute. Guide for the Nonstructive Inspection of Welds. American: American Welding Society, 1985.
Dyfyniad MLAAmerican National Standards Institute. Guide for the Nonstructive Inspection of Welds. American: American Welding Society, 1985.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.