एपीए उद्धरण

Eckman, D. P. (1989). Industrial instrumentation. Wiley Eastern.

शिकागो स्टाइल उद्धरण

Eckman, Donald P. Industrial Instrumentation. New Delhi: Wiley Eastern, 1989.

एमएलए उद्धरण

Eckman, Donald P. Industrial Instrumentation. Wiley Eastern, 1989.