Ridley, A. Expression in art: Aaron Ridley. The Oxford handbook of aesthetics.(2003).
Lua i Stíl Chicago (17ú heag.)Ridley, Aaron. "Expression in Art: Aaron Ridley." The Oxford Handbook of Aesthetics.(2003) .
Lua MLA (8ú heag.)Ridley, Aaron. "Expression in Art: Aaron Ridley." The Oxford Handbook of Aesthetics.(2003), .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.