Fitzgerald, A. E., Kingsley, C., & Umans, S. D. (2003). Electric machinery (Sixth edition.). McGraw-Hill.
Cita Chicago (17th ed.)Fitzgerald, A. E., Charles Kingsley, i Stephen D. Umans. Electric Machinery. Sixth edition. Boston, Mass.: McGraw-Hill, 2003.
Cita MLA (8th ed.)Fitzgerald, A. E., et al. Electric Machinery. Sixth edition. McGraw-Hill, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.