(1995). National electrical code (1996 ed.). National Fire Protection Association.
Chicago Style aipamenaNational Electrical Code. 1996 ed. Quincy, Mass: National Fire Protection Association, 1995.
MLA aipamenaNational Electrical Code. 1996 ed. National Fire Protection Association, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.