(2006). Science Maret 2006. AAAS.
Lua i Stíl Chicago (17ú heag.)Science Maret 2006. AAAS, 2006.
Lua MLA (8ú heag.)Science Maret 2006. AAAS, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)