Cita APA (7th ed.)

National Fire Protection Association & American National Standards Institute. (2002). National electrical code: 2002 (2002 ed.). National Fire Protection Association.

Cita Chicago (17th ed.)

National Fire Protection Association i American National Standards Institute. National Electrical Code: 2002. 2002 ed. Quincy, Mass: National Fire Protection Association, 2002.

Cita MLA (9th ed.)

National Fire Protection Association i American National Standards Institute. National Electrical Code: 2002. 2002 ed. National Fire Protection Association, 2002.