एपीए उद्धरण

Northrop, R. B. (1997). Introduction to instrumentation and measurements. CRC Press.

शिकागो स्टाइल उद्धरण

Northrop, Robert B. Introduction to Instrumentation and Measurements. New York: CRC Press, 1997.

एमएलए उद्धरण

Northrop, Robert B. Introduction to Instrumentation and Measurements. CRC Press, 1997.