Romberg, O. R., Schwinghammer, G., & Mann, L. (1985). Twenty Years of Diplomatic Relations between the Federal Republic of Germany and Israel. Tribüne-Verl..
Lua i Stíl Chicago (17ú heag.)Romberg, Otto R., Georg Schwinghammer, agus Linda Mann. Twenty Years of Diplomatic Relations Between the Federal Republic of Germany and Israel. Frankfurt am Main: Tribüne-Verl., 1985.
Lua MLA (8ú heag.)Romberg, Otto R., et al. Twenty Years of Diplomatic Relations Between the Federal Republic of Germany and Israel. Tribüne-Verl., 1985.
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