American National Standards Institute, American National Standards Institute, National Fire Protection Association (Estados Unidos), & National Fire Protection Association (Estados Unidos). (2008). Standard on types of building construction: NFPA 220 (2009 edition.). Quincy, Mass.: National Fire Protection Association.
Citación estilo ChicagoAmerican National Standards Institute, American National Standards Institute, National Fire Protection Association (Estados Unidos), y National Fire Protection Association (Estados Unidos). Standard On Types of Building Construction: NFPA 220. 2009 edition. Quincy, Mass.: National Fire Protection Association, 2008.
Cita MLAAmerican National Standards Institute, American National Standards Institute, National Fire Protection Association (Estados Unidos), y National Fire Protection Association (Estados Unidos). Standard On Types of Building Construction: NFPA 220. 2009 edition. Quincy, Mass.: National Fire Protection Association, 2008.