Veley, V. F., & Pallas, A. I. (1993). DC and AC electricity. Glencoe.
Cita Chicago (17th ed.)Veley, Victor F., i Abraham I. Pallas. DC and AC Electricity. New York, N.Y: Glencoe, 1993.
Cita MLA (9th ed.)Veley, Victor F., i Abraham I. Pallas. DC and AC Electricity. Glencoe, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.