APA-čujuhus (7. p.)
Piper, J. (2010). Think: The life of the mind and the love of God. Crossway.
Chicago-čujuhus (17. p.)
Piper, John. Think: The Life of the Mind and the Love of God. Wheaton, Ill.: Crossway, 2010.
MLA-čujuhus (9. p.)
Piper, John. Think: The Life of the Mind and the Love of God. Crossway, 2010.
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