Howell, D. W. (1977). Land and people in nineteenth-century Wales. Routledge and Kegan Paul.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHowell, David W. Land and People in Nineteenth-century Wales. Routledge and Kegan Paul, 1977.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHowell, David W. Land and People in Nineteenth-century Wales. Routledge and Kegan Paul, 1977.
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