Kaufman, D. A. (2002). Normative Criticism and the Objective Value of Artworks. The Journal of Aesthetics and Art Criticism.
Lua i Stíl Chicago (17ú heag.)Kaufman, Daniel A. "Normative Criticism and the Objective Value of Artworks." The Journal of Aesthetics and Art Criticism 2002.
Lua MLA (8ú heag.)Kaufman, Daniel A. "Normative Criticism and the Objective Value of Artworks." The Journal of Aesthetics and Art Criticism, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.