APA-čujuhus (7. p.)
Russell, P. The Riddle of Hume's Treatise: Skepticism, Naturalism, and Religion. Oxford University.
Chicago-čujuhus (17. p.)
Russell, Paul. The Riddle of Hume's Treatise: Skepticism, Naturalism, and Religion. Nueva York, EUA: Oxford University.
MLA-čujuhus (9. p.)
Russell, Paul. The Riddle of Hume's Treatise: Skepticism, Naturalism, and Religion. Oxford University.
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