American National Standards Institute, American National Standards Institute, National Fire Protection Association (Estados Unidos), & National Fire Protection Association (Estados Unidos). (2007). Standard for the design and installation of oxygen-fuel gas systems for welding, cutting, and allied processes: NFPA 51 (2007 edition.). Quincy, Mass.: National Fire Protection Association.
Chicago Style CitationAmerican National Standards Institute, American National Standards Institute, National Fire Protection Association (Estados Unidos), and National Fire Protection Association (Estados Unidos). Standard for the Design and Installation of Oxygen-fuel Gas Systems for Welding, Cutting, and Allied Processes: NFPA 51. 2007 edition. Quincy, Mass.: National Fire Protection Association, 2007.
MLA CitationAmerican National Standards Institute, American National Standards Institute, National Fire Protection Association (Estados Unidos), and National Fire Protection Association (Estados Unidos). Standard for the Design and Installation of Oxygen-fuel Gas Systems for Welding, Cutting, and Allied Processes: NFPA 51. 2007 edition. Quincy, Mass.: National Fire Protection Association, 2007.