APA-viite (7. p.)
Piper, J. (2005). God is the gospel: Meditations on God's love as the gift of himself. Crossways Books.
Chicago-viite (17. p.)
Piper, John. God Is the Gospel: Meditations on God's Love as the Gift of Himself. Wheaton, ill.: Crossways Books, 2005.
MLA-viite (9. p.)
Piper, John. God Is the Gospel: Meditations on God's Love as the Gift of Himself. Crossways Books, 2005.
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