Cohn, W. I. (1985). Five hundred years "Auf Der Treppen": A history of the Trepp family of Fulda. Year Book / Leo Baeck Institute.
Čikaški stil citiranja (17. izdanje)Cohn, Warren I. "Five Hundred Years "Auf Der Treppen": A History of the Trepp Family of Fulda." Year Book / Leo Baeck Institute 1985.
MLA način citiranja (8. izdanje)Cohn, Warren I. "Five Hundred Years "Auf Der Treppen": A History of the Trepp Family of Fulda." Year Book / Leo Baeck Institute, 1985.
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