Gaya APA

THERAJA, B., THERAJA, A. (1994). Textbook of electrical technology in S.I. system of units (A) (Twenty-first revised edition). New Delhi: S. Chand & Company LTD.

Gaya MLA

THERAJA, B.L.., THERAJA, A.K.. "Textbook of electrical technology in S.I. system of units (A)". Twenty-first revised edition New Delhi: S. Chand & Company LTD, 1994. Text.