Gaya APA

Ass., N, F, P. (, 1). National fire codes 1980 volume 11. (1980). : Bosoton : National Fire Protectection Associ..

Gaya MLA

Ass., National, Fire, Protection. "National fire codes 1980 volume 11.". 1980 : Bosoton : National Fire Protectection Associ., , 1. Text.