एपीए उद्धरण

Onkar Singh. (2007). Engineering thermodynamics. New age International.

शिकागो स्टाइल उद्धरण

Onkar Singh. Engineering Thermodynamics. New Delhi: New age International, 2007.

एमएलए उद्धरण

Onkar Singh. Engineering Thermodynamics. New age International, 2007.