Lea, C. (2021). The metal heart: A novel of love and valor in World War II (First Harper Large Print edition.). Harper Large Print, an imprint of HarperCollinsPublishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLea, Caroline. The Metal Heart: A Novel of Love and Valor in World War II. First Harper Large Print edition. New York, NY: Harper Large Print, an imprint of HarperCollinsPublishers, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLea, Caroline. The Metal Heart: A Novel of Love and Valor in World War II. First Harper Large Print edition. Harper Large Print, an imprint of HarperCollinsPublishers, 2021.
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