एपीए उद्धरण

Sastry, G. R. K. (2008). Bio-diesel: Biodegradable alternative fuel for diesel engines. Readworthy.

शिकागो स्टाइल उद्धरण

Sastry, Gadepalli Ravi Kiran. Bio-diesel: Biodegradable Alternative Fuel for Diesel Engines. New Delhi: Readworthy, 2008.

एमएलए उद्धरण

Sastry, Gadepalli Ravi Kiran. Bio-diesel: Biodegradable Alternative Fuel for Diesel Engines. Readworthy, 2008.