एपीए उद्धरण

Ramana, V. P. (1996). Biomass energy system(1996: New Delhi).

शिकागो स्टाइल उद्धरण

Ramana, Venkata P. Biomass Energy System(1996: New Delhi). New Delhi, 1996.

एमएलए उद्धरण

Ramana, Venkata P. Biomass Energy System(1996: New Delhi). 1996.