Roberts. The British Raid on Essex. Wesleyan University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRoberts. The British Raid on Essex. Wesleyan University Press.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRoberts. The British Raid on Essex. Wesleyan University Press.
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