Beaty, H. W., & Kirtley, J. L. (1998). Electric motor handbook. McGraw-Hill.
Cita Chicago (17th ed.)Beaty, H. Wayne, i James L. Kirtley. Electric Motor Handbook. New York: McGraw-Hill, 1998.
Cita MLA (9th ed.)Beaty, H. Wayne, i James L. Kirtley. Electric Motor Handbook. McGraw-Hill, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.