Não informado. (2004). Research & Development. Reed Business Information.
Lua i Stíl Chicago (17ú heag.)Não informado. Research & Development. Highlands Ranch, Colo: Reed Business Information, 2004.
Lua MLA (8ú heag.)Não informado. Research & Development. Reed Business Information, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.