Piper, J. (2005). God is the Gospel: Meditations on God's love as the gift of Himself. Crossway Books.
Chicago-referens (17:e uppl.)Piper, John. God Is the Gospel: Meditations on God's Love as the Gift of Himself. Wheaton, Ill.: Crossway Books, 2005.
MLA-referens (9:e uppl.)Piper, John. God Is the Gospel: Meditations on God's Love as the Gift of Himself. Crossway Books, 2005.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.