American National Standards Institute, American National Standards Institute, National Fire Protection Association (Estados Unidos), & National Fire Protection Association (Estados Unidos). (2007). Standard on explosion prevention systems: NFPA 69 (2008 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 On Explosion Prevention Systems: NFPA 69. 2008 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 On Explosion Prevention Systems: NFPA 69. 2008 edition. Quincy, Mass.: National Fire Protection Association, 2007.