DE, N. K., & SEN, P. K. (2005). Electric drives. Prentice-Hall of India.
Lua i Stíl Chicago (17ú heag.)DE, Nisit K., agus Prasanta K. SEN. Electric Drives. New Delhi: Prentice-Hall of India, 2005.
Lua MLA (9ú heag.)DE, Nisit K., agus Prasanta K. SEN. Electric Drives. Prentice-Hall of India, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.