एपीए उद्धरण

Sawhill,John C. (1978). Energy conservation and public policy. Prentice Hall.

शिकागो स्टाइल उद्धरण

Sawhill,John C. Energy Conservation and Public Policy. New Jersey: Prentice Hall, 1978.

एमएलए उद्धरण

Sawhill,John C. Energy Conservation and Public Policy. Prentice Hall, 1978.