एपीए उद्धरण

Ravindran Nair, R., & George Philip, C. (1970). Mechanical engineering. State Institute of Languages.

शिकागो स्टाइल उद्धरण

Ravindran Nair, R., और C. George Philip. Mechanical Engineering. Trivandrum: State Institute of Languages, 1970.

एमएलए उद्धरण

Ravindran Nair, R., और C. George Philip. Mechanical Engineering. State Institute of Languages, 1970.