Fitzgerald , A. E., Higginbotham , D. E. . .., & Grabel, A. . .. (1981). Basic electrical engineering: Circuits electronics machines controls (5th ed.). Mc Graw - Hill.
Cita Chicago (17th ed.)Fitzgerald , A. E., David E. Higginbotham , i Arvin Grabel. Basic Electrical Engineering: Circuits Electronics Machines Controls. 5th ed. London: Mc Graw - Hill, 1981.
Cita MLA (9th ed.)Fitzgerald , A. E., et al. Basic Electrical Engineering: Circuits Electronics Machines Controls. 5th ed. Mc Graw - Hill, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.