Collingwood, R. G. (1997). Outlines of a philosophy of art. Thoemmes Press.
Lua i Stíl Chicago (17ú heag.)Collingwood, Robin G. Outlines of a Philosophy of Art. Bristol: Thoemmes Press, 1997.
Lua MLA (8ú heag.)Collingwood, Robin G. Outlines of a Philosophy of Art. Thoemmes Press, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.