Wittgenstein, L. (1971). Philosophical Investigations / G. E. M. Anscombe, Translated (3.). The Macmillan Company.
Lua i Stíl Chicago (17ú heag.)Wittgenstein, Ludwig. Philosophical Investigations / G. E. M. Anscombe, Translated. 3. New York, Estados Unidos: The Macmillan Company, 1971.
Lua MLA (9ú heag.)Wittgenstein, Ludwig. Philosophical Investigations / G. E. M. Anscombe, Translated. 3. The Macmillan Company, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.