Palmer, P. J. (1993). The promise of paradox: A celebration of contradictions in the Christian life. The Servant Leadership School.
Lua i Stíl Chicago (17ú heag.)Palmer, Parker J. The Promise of Paradox: A Celebration of Contradictions in the Christian Life. Washington, DC: The Servant Leadership School, 1993.
Lua MLA (8ú heag.)Palmer, Parker J. The Promise of Paradox: A Celebration of Contradictions in the Christian Life. The Servant Leadership School, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.