APA (7 वां संस्करण) प्रशस्ति पत्र
Davies, J. (2014). The Welsh language: A history. University of Wales Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Davies, Janet. The Welsh Language: A History. Cardiff: University of Wales Press, 2014.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Davies, Janet. The Welsh Language: A History. University of Wales Press, 2014.
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