Rohrbaugh, G. Ontology of art: Guy Rohrbaugh. The Routledge companion to aesthetics.(2005).
Lua i Stíl Chicago (17ú heag.)Rohrbaugh, Guy. "Ontology of Art: Guy Rohrbaugh." The Routledge Companion to Aesthetics.(2005) .
Lua MLA (8ú heag.)Rohrbaugh, Guy. "Ontology of Art: Guy Rohrbaugh." The Routledge Companion to Aesthetics.(2005), .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.