Greene, J., & Lipstadt, D. E. (2021). Unstoppable: Siggi B. Wilzig's astonishing journey from Auschwitz survivor and penniless immigrant to Wall Street legend. Insight Editions.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGreene, Joshua, और Deborah E. Lipstadt. Unstoppable: Siggi B. Wilzig's Astonishing Journey from Auschwitz Survivor and Penniless Immigrant to Wall Street Legend. San Rafael, California: Insight Editions, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGreene, Joshua, और Deborah E. Lipstadt. Unstoppable: Siggi B. Wilzig's Astonishing Journey from Auschwitz Survivor and Penniless Immigrant to Wall Street Legend. Insight Editions, 2021.
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