Wagner, C. (1992). Prayer shield: How to intercede for pastors, christian leaders and others on the spiritual frontlines. Monarch.
Chicago-viite (17. p.)Wagner, C.Peter. Prayer Shield: How to Intercede for Pastors, Christian Leaders and Others on the Spiritual Frontlines. Crowborough: Monarch, 1992.
MLA-viite (9. p.)Wagner, C.Peter. Prayer Shield: How to Intercede for Pastors, Christian Leaders and Others on the Spiritual Frontlines. Monarch, 1992.
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