Schroeder, S. (2006). Wittgenstein: The way out of the fly-bottle. Polity Press.
Lua i Stíl Chicago (17ú heag.)Schroeder, Severin. Wittgenstein: The Way Out of the Fly-bottle. Cambridge, England: Polity Press, 2006.
Lua MLA (9ú heag.)Schroeder, Severin. Wittgenstein: The Way Out of the Fly-bottle. Polity Press, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.