एपीए उद्धरण

Patrick, D. R., & Fardo, S. W. (1979). Industrial process control systems. Howard.

शिकागो स्टाइल उद्धरण

Patrick, Dale R., और Stephen W. Fardo. Industrial Process Control Systems. USA: Howard, 1979.

एमएलए उद्धरण

Patrick, Dale R., और Stephen W. Fardo. Industrial Process Control Systems. Howard, 1979.