Gallman. Defining Duty in the Civil War. The University of North Carolina Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGallman. Defining Duty in the Civil War. The University of North Carolina Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGallman. Defining Duty in the Civil War. The University of North Carolina Press.
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