Berland. The Dividing Line Histories of William Byrd II of Westover. The University of North Carolina Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBerland. The Dividing Line Histories of William Byrd II of Westover. The University of North Carolina Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBerland. The Dividing Line Histories of William Byrd II of Westover. The University of North Carolina Press.
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