Arnold, E. (1976). Foundation and orders of Sannerz and the Rhon Bruderhof: Section 1: Introductory history: the basis for our order, 1920-1929. Plough Pub. House.
Lua i Stíl Chicago (17ú heag.)Arnold, Eberhard. Foundation and Orders of Sannerz and the Rhon Bruderhof: Section 1: Introductory History: The Basis for Our Order, 1920-1929. Rifton, N.Y.: Plough Pub. House, 1976.
Lua MLA (8ú heag.)Arnold, Eberhard. Foundation and Orders of Sannerz and the Rhon Bruderhof: Section 1: Introductory History: The Basis for Our Order, 1920-1929. Plough Pub. House, 1976.
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