एपीए उद्धरण

Billingsley, J. (2010). Essentials of control techniques and theory. CRC Press.

शिकागो स्टाइल उद्धरण

Billingsley, John. Essentials of Control Techniques and Theory. Boca Raton: CRC Press, 2010.

एमएलए उद्धरण

Billingsley, John. Essentials of Control Techniques and Theory. CRC Press, 2010.