Clifford, M. (1991). Electrical wiring and repair: A guide to improving and maintaining residential electrical systems. Prentice-Hall.
Cita Chicago (17th ed.)Clifford, Martin. Electrical Wiring and Repair: A Guide to Improving and Maintaining Residential Electrical Systems. Engelwood Cliffs, NJ: Prentice-Hall, 1991.
Cita MLA (9th ed.)Clifford, Martin. Electrical Wiring and Repair: A Guide to Improving and Maintaining Residential Electrical Systems. Prentice-Hall, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.