Gupta, A. P. (1995). Worked examples in electrical power (4th ed.). S. S. Mubaruk and Brother.
Cita Chicago (17th ed.)Gupta, A. P. Worked Examples in Electrical Power. 4th ed. Singapore: S. S. Mubaruk and Brother, 1995.
Cita MLA (8th ed.)Gupta, A. P. Worked Examples in Electrical Power. 4th ed. S. S. Mubaruk and Brother, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.