एपीए उद्धरण

Gentle, R., & Edwards, P. B. (2002). Mechanical engineering systems. Butterworth-Heinemann.

शिकागो स्टाइल उद्धरण

Gentle, Richard, और Peter Bolton Edwards. Mechanical Engineering Systems. Oxford: Butterworth-Heinemann, 2002.

एमएलए उद्धरण

Gentle, Richard, और Peter Bolton Edwards. Mechanical Engineering Systems. Butterworth-Heinemann, 2002.