एपीए उद्धरण

Dorf, R. C. 1. (1998). Modern control systems (8th ed.). Menlo Park, Calif.: Addison-Wesley.

शिकागो स्टाइल उद्धरण

Dorf, Richard C. 1933-. Modern Control Systems. 8th ed. Menlo Park, Calif.: Addison-Wesley, 1998.

एमएलए उद्धरण

Dorf, Richard C. 1933-. Modern Control Systems. 8th ed. Menlo Park, Calif.: Addison-Wesley, 1998.