Frederick, J., Dorr, E., & Dye, D. (2022). Fierce valor: The true story of Ronald Speirs and his band of brothers. Regnery History.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFrederick, Jared, Erik Dorr, और Dale Dye. Fierce Valor: The True Story of Ronald Speirs and His Band of Brothers. Washington, DC: Regnery History, 2022.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFrederick, Jared, et al. Fierce Valor: The True Story of Ronald Speirs and His Band of Brothers. Regnery History, 2022.
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