Arends, S. F. (1989). The Central Dakota Germans: Their History, Language and Culture. Georgetown University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रArends, Shirley Fischer. The Central Dakota Germans: Their History, Language and Culture. Washington D.C: Georgetown University Press, 1989.
एमएलए (8वां संस्करण) प्रशस्ति पत्रArends, Shirley Fischer. The Central Dakota Germans: Their History, Language and Culture. Georgetown University Press, 1989.
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