Kemp, P. (1942). Alternating current electrical engineering (6th ed.). Macmillan.
Cita Chicago (17th ed.)Kemp, Philip. Alternating Current Electrical Engineering. 6th ed. London: Macmillan, 1942.
Cita MLA (8th ed.)Kemp, Philip. Alternating Current Electrical Engineering. 6th ed. Macmillan, 1942.
Atenció: Aquestes cites poden no estar 100% correctes.