Dutton, D. Aesthetic universals: Denis Dutton. The Routledge companion to aesthetics.(2004).
Lua i Stíl Chicago (17ú heag.)Dutton, Denis. "Aesthetic Universals: Denis Dutton." The Routledge Companion to Aesthetics.(2004) .
Lua MLA (8ú heag.)Dutton, Denis. "Aesthetic Universals: Denis Dutton." The Routledge Companion to Aesthetics.(2004), .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.