APA (7e ed.) Bronvermelding
Graf, J. L. (2002). The power of personal prayer: Learning to pray with faith and purpose. NavPress.
Chicago (17e ed.) Bronvermelding
Graf, Jonathan L. The Power of Personal Prayer: Learning to Pray with Faith and Purpose. Colorado Springs, Colo.: NavPress, 2002.
MLA (9e ed.) Bronvermelding
Graf, Jonathan L. The Power of Personal Prayer: Learning to Pray with Faith and Purpose. NavPress, 2002.
Let op: Deze citaties zijn niet altijd 100% accuraat.