Não informado. (2013). The Astrophysical Journal. American Astronomical Society.
Lua i Stíl Chicago (17ú heag.)Não informado. The Astrophysical Journal. Bristol, Inglaterra: American Astronomical Society, 2013.
Lua MLA (8ú heag.)Não informado. The Astrophysical Journal. American Astronomical Society, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.