- Example of answered prayer, Liberating Ministry From The Success Syndrome, K Hughes, Tyndale, 1988, p. 73.
- Leadership IV, 4,83; 3, 40
- Strengthening Your Grip, C. Swindoll, p. 146
- Growing Strong, C. Swindoll, p. 273, waiting until crisis to pray
- Gordon McDonald, Ordering Your Private World, p. 153, dryness in prayer