Gaya APA

HENRICI, C, B. (1998). NFPA 55 STANDARD FOR THE STORAGE, USE , AND HANDLING OF COMPRESSED AND LIQUEFIED GASES IN PORTABLE CYLINDERS . : NFPA.

Gaya MLA

HENRICI, CHARLES, B.. "NFPA 55 STANDARD FOR THE STORAGE, USE , AND HANDLING OF COMPRESSED AND LIQUEFIED GASES IN PORTABLE CYLINDERS". : NFPA, 1998. Text.