Gaya APA

Ass., N, F, P. (19). National fire codes 1980 volume 12. (1980). : Boston : National Fire Protectection Associ.,.

Gaya MLA

Ass., National, Fire, Protection. "National fire codes 1980 volume 12.". 1980 : Boston : National Fire Protectection Associ.,, 19. Text.