Certifications Documents / American Welding Society. Specification for the Certification of Welding Supervisors.
Chicago Style (17th ed.) CitationCertifications Documents / American Welding Society. Specification for the Certification of Welding Supervisors.
MLA (9th ed.) CitationCertifications Documents / American Welding Society. Specification for the Certification of Welding Supervisors.
Warning: These citations may not always be 100% accurate.