Não informado. (2000). Scientific American Presents. Scientific American.
Lua i Stíl Chicago (17ú heag.)Não informado. Scientific American Presents. New York: Scientific American, 2000.
Lua MLA (8ú heag.)Não informado. Scientific American Presents. Scientific American, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.