Jacobs, J. (2005). Communist questions, jewish answers: Polish jewish dissident communists of the inter-war era. Polin.
Chicago-referens (17:e uppl.)Jacobs, Jack. "Communist Questions, Jewish Answers: Polish Jewish Dissident Communists of the Inter-war Era." Polin 2005.
MLA-referens (8:e uppl.)Jacobs, Jack. "Communist Questions, Jewish Answers: Polish Jewish Dissident Communists of the Inter-war Era." Polin, 2005.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.