Não informado. (2004). International Journal of Electrical Power & Energy Systems. Butterworth Heinemann.
Lua i Stíl Chicago (17ú heag.)Não informado. International Journal of Electrical Power & Energy Systems. Oxford, Inglaterra: Butterworth Heinemann, 2004.
Lua MLA (8ú heag.)Não informado. International Journal of Electrical Power & Energy Systems. Butterworth Heinemann, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.