Clifford, M. (1991). Electrical wiring and repair: A guide to improving and maintaining residential electrical systems. Prentice-Hall.
Chicago-referens (17:e uppl.)Clifford, Martin. Electrical Wiring and Repair: A Guide to Improving and Maintaining Residential Electrical Systems. Engelwood Cliffs, NJ: Prentice-Hall, 1991.
MLA-referens (9:e uppl.)Clifford, Martin. Electrical Wiring and Repair: A Guide to Improving and Maintaining Residential Electrical Systems. Prentice-Hall, 1991.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.