Conybeare, W. (1822). Outlines of the Geology of England and Wales. William Phillips.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रConybeare, W.D. Outlines of the Geology of England and Wales. London: William Phillips, 1822.
एमएलए (9वां संस्करण) प्रशस्ति पत्रConybeare, W.D. Outlines of the Geology of England and Wales. William Phillips, 1822.
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