Clack, R. J. (1969). Bertrand Russell's philosophy of language. M. Nijhoff.
Lua i Stíl Chicago (17ú heag.)Clack, Robert Jerold. Bertrand Russell's Philosophy of Language. The Hague: M. Nijhoff, 1969.
Lua MLA (9ú heag.)Clack, Robert Jerold. Bertrand Russell's Philosophy of Language. M. Nijhoff, 1969.
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