Gaya APA

Ass., N, F, P. (1980). National fire codes 1980 volume 3. (1980). : National Fire Protectection Associ., Boston.

Gaya MLA

Ass., National, Fire, Protection. "National fire codes 1980 volume 3.". 1980 : National Fire Protectection Associ., Boston, 1980. Text.