Arends, S. F. (1989). The Central Dakota Germans: Their History, Language and Culture. Georgetown University Press.
Lua i Stíl Chicago (17ú heag.)Arends, Shirley Fischer. The Central Dakota Germans: Their History, Language and Culture. Washington D.C: Georgetown University Press, 1989.
Lua MLA (8ú heag.)Arends, Shirley Fischer. The Central Dakota Germans: Their History, Language and Culture. Georgetown University Press, 1989.
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