Não informado. (2004). International Journal of Energy Research. Wiley-Interscience.
Lua i Stíl Chicago (17ú heag.)Não informado. International Journal of Energy Research. Chichester, Inglaterra: Wiley-Interscience, 2004.
Lua MLA (8ú heag.)Não informado. International Journal of Energy Research. Wiley-Interscience, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.