Wittgenstein, L., & Anscombe, G. E. M. (1977). Remarks on colour. University of California.
Lua i Stíl Chicago (17ú heag.)Wittgenstein, Ludwig, agus Gertrude Elizabeth Margaret Anscombe. Remarks on Colour. Berkeley: University of California, 1977.
Lua MLA (9ú heag.)Wittgenstein, Ludwig, agus Gertrude Elizabeth Margaret Anscombe. Remarks on Colour. University of California, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.