Não informado. (1999). SCI journal citation reports. Institute for Scientific Information.
Lua i Stíl Chicago (17ú heag.)Não informado. SCI Journal Citation Reports. Philadelphia, Pa: Institute for Scientific Information, 1999.
Lua MLA (8ú heag.)Não informado. SCI Journal Citation Reports. Institute for Scientific Information, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.