Não informado. (1957). Journal of solar energy science and engineering. Association for Applied Solar Energy.
Lua i Stíl Chicago (17ú heag.)Não informado. Journal of Solar Energy Science and Engineering. Elmsford, NY: Association for Applied Solar Energy, 1957.
Lua MLA (8ú heag.)Não informado. Journal of Solar Energy Science and Engineering. Association for Applied Solar Energy, 1957.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.