Palmer, P. J. (1993). The promise of paradox: A celebration of contradictions in the Christian life. The Servant Leadership School.
Chicago-referens (17:e uppl.)Palmer, Parker J. The Promise of Paradox: A Celebration of Contradictions in the Christian Life. Washington, DC: The Servant Leadership School, 1993.
MLA-referens (8:e uppl.)Palmer, Parker J. The Promise of Paradox: A Celebration of Contradictions in the Christian Life. The Servant Leadership School, 1993.
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