Henze-Ketterer, W., & Henze-Ketterer, I. Leo Baeck Institute at 50. Earth Enterprise.
Lua i Stíl Chicago (17ú heag.)Henze-Ketterer, Wolfgang, agus Ingeborg Henze-Ketterer. Leo Baeck Institute at 50. New York: Earth Enterprise.
Lua MLA (8ú heag.)Henze-Ketterer, Wolfgang, agus Ingeborg Henze-Ketterer. Leo Baeck Institute at 50. Earth Enterprise.
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