Não informado. (2020). Spectrum. Central Office of Information.
Lua i Stíl Chicago (17ú heag.)Não informado. Spectrum. London: Central Office of Information, 2020.
Lua MLA (8ú heag.)Não informado. Spectrum. Central Office of Information, 2020.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.