Roters, E., & Frecot, J. (1982). Berlin: 1910-1933. The Wellfleet Press.
Lua i Stíl Chicago (17ú heag.)Roters, Eberhard, agus Janos Frecot. Berlin: 1910-1933. Secaucus, New Jersey: The Wellfleet Press, 1982.
Lua MLA (8ú heag.)Roters, Eberhard, agus Janos Frecot. Berlin: 1910-1933. The Wellfleet Press, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.