Wilson, S. (1983). Beardsley. Phaidon Press.
Lua i Stíl Chicago (17ú heag.)Wilson, Simon. Beardsley. Oxford: Phaidon Press, 1983.
Lua MLA (8ú heag.)Wilson, Simon. Beardsley. Phaidon Press, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.