Παραπομπή σε μορφή APA (7η εκδ.)

Palmer, P. J. (1993). The promise of paradox: A celebration of contradictions in the Christian life. The Servant Leadership School.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Palmer, Parker J. The Promise of Paradox: A Celebration of Contradictions in the Christian Life. Washington, DC: The Servant Leadership School, 1993.

Παραπομπή σε μορφή MLA (8th εκδ.)

Palmer, Parker J. The Promise of Paradox: A Celebration of Contradictions in the Christian Life. The Servant Leadership School, 1993.