Mullin, R. C., & Simmons, J. P. (2012). Electrical wiring: Residential (17th ed.). Delmar Cengage Learning.
Cita Chicago (17th ed.)Mullin, Ray C., i J. Philip Simmons. Electrical Wiring: Residential. 17th ed. Clifton Park, N.Y: Delmar Cengage Learning, 2012.
Cita MLA (9th ed.)Mullin, Ray C., i J. Philip Simmons. Electrical Wiring: Residential. 17th ed. Delmar Cengage Learning, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.