Morris, M. (2017). Castles: Their history and evolution in medieval Britain. Pegasus Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMorris, Marc. Castles: Their History and Evolution in Medieval Britain. New York: Pegasus Books, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMorris, Marc. Castles: Their History and Evolution in Medieval Britain. Pegasus Books, 2017.
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