American National Standards Institute. (1996). Standard for AWS certification of welding inspectors (In lần thứ 1.). America: American Welding Society.
Chicago-стиль цитированияAmerican National Standards Institute. Standard for AWS Certification of Welding Inspectors. In lần thứ 1. America: American Welding Society, 1996.
MLA-цитированиеAmerican National Standards Institute. Standard for AWS Certification of Welding Inspectors. In lần thứ 1. America: American Welding Society, 1996.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.