Cita APA (7th ed.)

National Board of Fire Underwriters. (1939). Building codes: Their scope and aims. s.n.

Cita Chicago (17th ed.)

National Board of Fire Underwriters. Building Codes: Their Scope and Aims. New York: s.n, 1939.

Cita MLA (9th ed.)

National Board of Fire Underwriters. Building Codes: Their Scope and Aims. s.n, 1939.