Curley, R. (2012). Renewable and alternative energy. Britannica Educational Pub., in association with Rosen Educational Services.
Citazione stile Chigago Style (17a edizione)Curley, Robert. Renewable and Alternative Energy. New York: Britannica Educational Pub., in association with Rosen Educational Services, 2012.
Citatione MLA (9a ed.)Curley, Robert. Renewable and Alternative Energy. Britannica Educational Pub., in association with Rosen Educational Services, 2012.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.