Williamson, D. G. (1975). Walther Rathenau: Patron saint of the German liberal establishment (1922-1972) / David Graham Williamson. Year Book / Leo Baeck Institute.
Lua i Stíl Chicago (17ú heag.)Williamson, David Graham. "Walther Rathenau: Patron Saint of the German Liberal Establishment (1922-1972) / David Graham Williamson." Year Book / Leo Baeck Institute 1975.
Lua MLA (8ú heag.)Williamson, David Graham. "Walther Rathenau: Patron Saint of the German Liberal Establishment (1922-1972) / David Graham Williamson." Year Book / Leo Baeck Institute, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.