Sís, P. (2021). Nicky & Vera: A quiet hero of the Holocaust and the children he rescued (First edition.). Norton Young Readers, and imprint of W.W. Norton & Company, independent Publishers since 1923.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSís, Peter. Nicky & Vera: A Quiet Hero of the Holocaust and the Children He Rescued. First edition. New York, N.Y.: Norton Young Readers, and imprint of W.W. Norton & Company, independent Publishers since 1923, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSís, Peter. Nicky & Vera: A Quiet Hero of the Holocaust and the Children He Rescued. First edition. Norton Young Readers, and imprint of W.W. Norton & Company, independent Publishers since 1923, 2021.
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