APA (7th ed.) Zitazioa
Rescher, N. (2011). On certainty and other philosophical essays on cognition. Ontos Verlag.
Chicago Style (17th ed.) Zitazioa
Rescher, Nicholas. On Certainty and Other Philosophical Essays on Cognition. Frankfurt ; New Brunswick: Ontos Verlag, 2011.
MLA (9th ed.) Zitazioa
Rescher, Nicholas. On Certainty and Other Philosophical Essays on Cognition. Ontos Verlag, 2011.
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