American National Standards Institute. (1996). Standard for AWS certification of welding inspectors (In lần thứ 1.). America: American Welding Society.
Stile di citazione ChicagoAmerican National Standards Institute. Standard for AWS Certification of Welding Inspectors. In lần thứ 1. America: American Welding Society, 1996.
Citazione MLAAmerican National Standards Institute. Standard for AWS Certification of Welding Inspectors. In lần thứ 1. America: American Welding Society, 1996.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.