Luntley, M. (2015). Wittgenstein: Opening investigations. Wiley.
Lua i Stíl Chicago (17ú heag.)Luntley, Michael. Wittgenstein: Opening Investigations. Hoboken: Wiley, 2015.
Lua MLA (9ú heag.)Luntley, Michael. Wittgenstein: Opening Investigations. Wiley, 2015.
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