Keller, K. J. Electrical safety code manual: A plain language guide to National electrical code, OSHA, and NFPA 70E.
Cita Chicago (17th ed.)Keller, K. J. Electrical Safety Code Manual: A Plain Language Guide to National Electrical Code, OSHA, and NFPA 70E.
Cita MLA (8th ed.)Keller, K. J. Electrical Safety Code Manual: A Plain Language Guide to National Electrical Code, OSHA, and NFPA 70E.
Atenció: Aquestes cites poden no estar 100% correctes.