Mattick, P. (1997). Form and Theory: Meyer Schapiro's Theory and Philosophy of Art. The Journal of Aesthetics and Art Criticism.
Lua i Stíl Chicago (17ú heag.)Mattick, Paul. "Form and Theory: Meyer Schapiro's Theory and Philosophy of Art." The Journal of Aesthetics and Art Criticism 1997.
Lua MLA (8ú heag.)Mattick, Paul. "Form and Theory: Meyer Schapiro's Theory and Philosophy of Art." The Journal of Aesthetics and Art Criticism, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.