Não informado. (1961). Science citation index. Institute for Scientific Information.
Lua i Stíl Chicago (17ú heag.)Não informado. Science Citation Index. Philadelphia, Pa: Institute for Scientific Information, 1961.
Lua MLA (8ú heag.)Não informado. Science Citation Index. Institute for Scientific Information, 1961.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.