Maccallum, M., & Drez, R. J. (2020). Unknown valor: A story of family, courage, and sacrifice from Pearl Harbor to Iwo Jima (First edition.). Harper, an imprint of HarperCollinsPublishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMaccallum, Martha, और Ronald J. Drez. Unknown Valor: A Story of Family, Courage, and Sacrifice from Pearl Harbor to Iwo Jima. First edition. New York, NY: Harper, an imprint of HarperCollinsPublishers, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMaccallum, Martha, और Ronald J. Drez. Unknown Valor: A Story of Family, Courage, and Sacrifice from Pearl Harbor to Iwo Jima. First edition. Harper, an imprint of HarperCollinsPublishers, 2020.
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