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Lua i Stíl Chicago (17ú heag.)Science May-August 2004. AAAS, 2004.
Lua MLA (8ú heag.)Science May-August 2004. AAAS, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)