APA-viite (7. p.)
Piper, J. (1999). A Godward life: Savoring the sustenance of God in all of life. Multnomah Publishers.
Chicago-viite (17. p.)
Piper, John. A Godward Life: Savoring the Sustenance of God in All of Life. Sisters, Or.: Multnomah Publishers, 1999.
MLA-viite (9. p.)
Piper, John. A Godward Life: Savoring the Sustenance of God in All of Life. Multnomah Publishers, 1999.
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