एपीए उद्धरण

Gopal, M. (1984). Modern control system theory. Wiley Eastern.

शिकागो स्टाइल उद्धरण

Gopal, M. Modern Control System Theory. New Delhi: Wiley Eastern, 1984.

एमएलए उद्धरण

Gopal, M. Modern Control System Theory. Wiley Eastern, 1984.