Jabarkan syafaat (intercession) dari Doa dalam Perjanjian Baru

permohonan kepada Allah (petition to God)

persekutuan penuh perhatian dengan Allah (watchful communion with the Lord)

E M Bounds, Complete Works of E. M. Bounds on Prayer: Experience the Wonders of God through Prayer, Baker Books (2004), paperback, 576 pages, ISBN 0-8010-6494-5

Dick Eastman, ' Hour That Changes the World, The: A Practical Plan for Personal Prayer', Chosen; 25th Anniversary Edition (October 1, 2002), paperback, 160 pages, ISBN 0-8007-9313-7