.Cullingworth, J. B. (1990). Energy, land, and public policy. Transaction Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र.Cullingworth, J. B. Energy, Land, and Public Policy. New Brunswick, U.S.A.: Transaction Publishers, 1990.
एमएलए (9वां संस्करण) प्रशस्ति पत्र.Cullingworth, J. B. Energy, Land, and Public Policy. Transaction Publishers, 1990.