(2001). Nature 2001. Nature Publishing Group.
Lua i Stíl Chicago (17ú heag.)Nature 2001. Nature Publishing Group, 2001.
Lua MLA (8ú heag.)Nature 2001. Nature Publishing Group, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.