APA (7th ed.) Zitazioa
Bolye, G. (2004). Renewable Energy: Power for a Sustainable Future (2nd ed.). Oxford.
Chicago Style (17th ed.) Zitazioa
Bolye, Godfrey. Renewable Energy: Power for a Sustainable Future. 2nd ed. United kingdom: Oxford, 2004.
MLA (9th ed.) Zitazioa
Bolye, Godfrey. Renewable Energy: Power for a Sustainable Future. 2nd ed. Oxford, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.