Theraja, B., Tarnekar, S., Khedkar, M. K., Sedha, R., & Theraja, A. (2005). A textbook of electrical technology: In S.I. system of units (Multicolour ill. ed.). New Delhi: S. Chand & Co. Ltd..

Theraja, B.L, S.G Tarnekar, M. K. Khedkar, R.S Sedha, and A.K Theraja. A Textbook of Electrical Technology: In S.I. System of Units. Multicolour ill. ed. New Delhi: S. Chand & Co. Ltd., 2005.

Theraja, B.L, et al. A Textbook of Electrical Technology: In S.I. System of Units. Multicolour ill. ed. New Delhi: S. Chand & Co. Ltd., 2005.