BEATY, H. W., & KIRTLEY, J. L. (1998). Electric motor handbook. McGraw-Hill Book.

BEATY, H. Wayne, and James L. KIRTLEY. Electric Motor Handbook. New York: McGraw-Hill Book, 1998.

BEATY, H. Wayne, and James L. KIRTLEY. Electric Motor Handbook. McGraw-Hill Book, 1998.