Não informado. (1987). Energy and Fuels. American Chemical Society.
Lua i Stíl Chicago (17ú heag.)Não informado. Energy and Fuels. Washington: American Chemical Society, 1987.
Lua MLA (8ú heag.)Não informado. Energy and Fuels. American Chemical Society, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.