Rose, A. (2003). Kings in the North: The House of Percy in British history. Phoenix.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRose, Alexander. Kings in the North: The House of Percy in British History. London: Phoenix, 2003.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRose, Alexander. Kings in the North: The House of Percy in British History. Phoenix, 2003.
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