Gill, P. (1998). Electrical power equipment maintenance and testing. CRC Press/Taylor & Francis Group.
Cita Chicago (17th ed.)Gill, Paul. Electrical Power Equipment Maintenance and Testing. Boca Raton, Fla: CRC Press/Taylor & Francis Group, 1998.
Cita MLA (8th ed.)Gill, Paul. Electrical Power Equipment Maintenance and Testing. CRC Press/Taylor & Francis Group, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.