Twidell, J. (2022). Renewable energy resources (Fourth edition.). Routledge.
Lua i Stíl Chicago (17ú heag.)Twidell, John. Renewable Energy Resources. Fourth edition. New York: Routledge, 2022.
Lua MLA (8ú heag.)Twidell, John. Renewable Energy Resources. Fourth edition. Routledge, 2022.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.