एपीए उद्धरण

World energy council. (1994). New renewable energy resources. Kogan page.

शिकागो स्टाइल उद्धरण

World energy council. New Renewable Energy Resources. Kogan page, 1994.

एमएलए उद्धरण

World energy council. New Renewable Energy Resources. Kogan page, 1994.