DE, N. K., & SEN, P. K. (2005). Electric drives. Prentice-Hall of India.
Cita Chicago (17th ed.)DE, Nisit K., i Prasanta K. SEN. Electric Drives. New Delhi: Prentice-Hall of India, 2005.
Cita MLA (9th ed.)DE, Nisit K., i Prasanta K. SEN. Electric Drives. Prentice-Hall of India, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.