Rogozik, J. K. (1999). Bernard Singer, the forgotten "Most popular jewish reporter of the inter-war years in Poland". Polin.
Čikaški stil citiranja (17. izdanje)Rogozik, Janina Katarzyna. "Bernard Singer, the Forgotten "Most Popular Jewish Reporter of the Inter-war Years in Poland"." Polin 1999.
MLA način citiranja (8. izdanje)Rogozik, Janina Katarzyna. "Bernard Singer, the Forgotten "Most Popular Jewish Reporter of the Inter-war Years in Poland"." Polin, 1999.
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