Rogozik, J. K. (1999). Bernard Singer, the forgotten "Most popular jewish reporter of the inter-war years in Poland". Polin.
Chicago-referens (17:e uppl.)Rogozik, Janina Katarzyna. "Bernard Singer, the Forgotten "Most Popular Jewish Reporter of the Inter-war Years in Poland"." Polin 1999.
MLA-referens (8:e uppl.)Rogozik, Janina Katarzyna. "Bernard Singer, the Forgotten "Most Popular Jewish Reporter of the Inter-war Years in Poland"." Polin, 1999.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.