एपीए उद्धरण

SUNDAR,I;VENKATESAN,C. (2009). Energy Economics.

शिकागो स्टाइल उद्धरण

SUNDAR,I;VENKATESAN,C. Energy Economics. Sarup Book Publishers,Delhi, 2009.

एमएलए उद्धरण

SUNDAR,I;VENKATESAN,C. Energy Economics. 2009.