(2011). Nature Desember 2011. Nature Publishing Group.
Lua i Stíl Chicago (17ú heag.)Nature Desember 2011. Nature Publishing Group, 2011.
Lua MLA (8ú heag.)Nature Desember 2011. Nature Publishing Group, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.