एपीए उद्धरण

Gupta, S. S. Electrical Engineering. Laxmi Publications.

शिकागो स्टाइल उद्धरण

Gupta, S S. Electrical Engineering. N.Delhi: Laxmi Publications.

एमएलए उद्धरण

Gupta, S S. Electrical Engineering. Laxmi Publications.