Curley, R. (2012). Renewable and alternative energy. Britannica Educational Pub., in association with Rosen Educational Services.
Cita Chicago (17th ed.)Curley, Robert. Renewable and Alternative Energy. New York: Britannica Educational Pub., in association with Rosen Educational Services, 2012.
Cita MLA (9th ed.)Curley, Robert. Renewable and Alternative Energy. Britannica Educational Pub., in association with Rosen Educational Services, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.