एपीए उद्धरण

Wardle, H. (1972). Fundamentals of electrotechnology. Hutchinson.

शिकागो स्टाइल उद्धरण

Wardle, H. Fundamentals of Electrotechnology. London: Hutchinson, 1972.

एमएलए उद्धरण

Wardle, H. Fundamentals of Electrotechnology. Hutchinson, 1972.