Não informado. Royal Greenwich Observatory bulletins. Royal Greenwich Observatory, Hurstmonceux.
Lua i Stíl Chicago (17ú heag.)Não informado. Royal Greenwich Observatory Bulletins. London: Royal Greenwich Observatory, Hurstmonceux.
Lua MLA (8ú heag.)Não informado. Royal Greenwich Observatory Bulletins. Royal Greenwich Observatory, Hurstmonceux.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.