West, F. C. (1985). Success without influence: Emil Ludwig during the Weimar years. Year Book / Leo Baeck Institute.
Chicago-referens (17:e uppl.)West, Franklin C. "Success Without Influence: Emil Ludwig During the Weimar Years." Year Book / Leo Baeck Institute 1985.
MLA-referens (8:e uppl.)West, Franklin C. "Success Without Influence: Emil Ludwig During the Weimar Years." Year Book / Leo Baeck Institute, 1985.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.