Citazione Stile APA (7a Edizione)
Piper, J. (2005). God is the gospel: Meditations on God's love as the gift of himself. Crossways Books.
Citazione stile Chigago Style (17a edizione)
Piper, John. God Is the Gospel: Meditations on God's Love as the Gift of Himself. Wheaton, ill.: Crossways Books, 2005.
Citatione MLA (9a ed.)
Piper, John. God Is the Gospel: Meditations on God's Love as the Gift of Himself. Crossways Books, 2005.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.