Johnson, O. A. (2022). Skepticism and Cognitivism: A Study in the Foundations of Knowledge. University of California Press.
Lua i Stíl Chicago (17ú heag.)Johnson, Oliver A. Skepticism and Cognitivism: A Study in the Foundations of Knowledge. Berkeley: University of California Press, 2022.
Lua MLA (9ú heag.)Johnson, Oliver A. Skepticism and Cognitivism: A Study in the Foundations of Knowledge. University of California Press, 2022.
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