Não informado. (1979). Journal of Energy Resources Technology. American Society of Mechanical Engineers.
Lua i Stíl Chicago (17ú heag.)Não informado. Journal of Energy Resources Technology. New York: American Society of Mechanical Engineers, 1979.
Lua MLA (8ú heag.)Não informado. Journal of Energy Resources Technology. American Society of Mechanical Engineers, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.