APA (7th ed.) Citation

States), N. F. P. A. (. (1989). National Fire Protection Association 1989 directory. Quincy, MA : NFPA.

Chicago Style (17th ed.) Citation

States), National Fire Protection Association (United. National Fire Protection Association 1989 Directory. Quincy, MA : NFPA, 1989.

MLA (9th ed.) Citation

States), National Fire Protection Association (United. National Fire Protection Association 1989 Directory. Quincy, MA : NFPA, 1989.

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.