Não informado. (1986). Scientist. Institute for Scientific Information.
Lua i Stíl Chicago (17ú heag.)Não informado. Scientist. Philadelphia, Pa: Institute for Scientific Information, 1986.
Lua MLA (8ú heag.)Não informado. Scientist. Institute for Scientific Information, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.