Kessler, M. Between Communism and Anti-Communism: Franz Borkenau / Mario Kessler. German scholars in exile : new studies in intellectual history.
Lua i Stíl Chicago (17ú heag.)Kessler, Mario. "Between Communism and Anti-Communism: Franz Borkenau / Mario Kessler." German Scholars in Exile : New Studies in Intellectual History .
Lua MLA (8ú heag.)Kessler, Mario. "Between Communism and Anti-Communism: Franz Borkenau / Mario Kessler." German Scholars in Exile : New Studies in Intellectual History, .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.