एपीए उद्धरण

Industrial Exhibitions Limited. (1972). Instruments, electronics, automation. London: Industrial Exhibitions Limited.

शिकागो स्टाइल उद्धरण

Industrial Exhibitions Limited. Instruments, Electronics, Automation. London: Industrial Exhibitions Limited, 1972.

एमएलए उद्धरण

Industrial Exhibitions Limited. Instruments, Electronics, Automation. London: Industrial Exhibitions Limited, 1972.