Butler, J. (2006). Three minds, three books, three years: Reinhold Niebuhr, Perry Miller, and Mordechai Kaplan and Religion / Jon Butler. Jewish Social Studies.
Lua i Stíl Chicago (17ú heag.)Butler, Jon. "Three Minds, Three Books, Three Years: Reinhold Niebuhr, Perry Miller, and Mordechai Kaplan and Religion / Jon Butler." Jewish Social Studies 2006.
Lua MLA (8ú heag.)Butler, Jon. "Three Minds, Three Books, Three Years: Reinhold Niebuhr, Perry Miller, and Mordechai Kaplan and Religion / Jon Butler." Jewish Social Studies, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.