एपीए उद्धरण

Heumann, G. W. (1961). Magnetic control of industrial motors. Wiley.

शिकागो स्टाइल उद्धरण

Heumann, Gerhart W. Magnetic Control of Industrial Motors. New York: Wiley, 1961.

एमएलए उद्धरण

Heumann, Gerhart W. Magnetic Control of Industrial Motors. Wiley, 1961.