Timothy Keller. (2008). Reason for god: Belief in an age of scepticism. Penguin group.
Chicago Edition CitationTimothy Keller. Reason for God: Belief in an Age of Scepticism. USA: Penguin group, 2008.
Deismireacht MLATimothy Keller. Reason for God: Belief in an Age of Scepticism. Penguin group, 2008.
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