Keller, T. (2008). The reason for God ; belief in an age of skepticism. Dutton.
Chicago-čujuhus (17. p.)Keller, Timothy. The Reason for God ; Belief in an Age of Skepticism. New York: Dutton, 2008.
MLA-čujuhus (9. p.)Keller, Timothy. The Reason for God ; Belief in an Age of Skepticism. Dutton, 2008.
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