National Fire Protection Association & National Fire Protection Association. Technical Committee on Hazardous Materials Response Personnel. (1997). NFPA 472, standard on professional competence of responders to hazardous materials incidents (1997 ed.). National Fire Protection Association,.
芝加哥风格引文National Fire Protection Association 与 National Fire Protection Association. Technical Committee on Hazardous Materials Response Personnel. NFPA 472, Standard on Professional Competence of Responders to Hazardous Materials Incidents. 1997 ed. Quincy, Mass.: National Fire Protection Association,, 1997.
MLA引文National Fire Protection Association 与 National Fire Protection Association. Technical Committee on Hazardous Materials Response Personnel. NFPA 472, Standard on Professional Competence of Responders to Hazardous Materials Incidents. 1997 ed. National Fire Protection Association,, 1997.