Wagener, P. German in Wisconsin: Language change and loss / Peter Wagener. Globalization and the future of German : with a select bibliography.(2004).
Chicago-referens (17:e uppl.)Wagener, Peter. "German in Wisconsin: Language Change and Loss / Peter Wagener." Globalization and the Future of German : With a Select Bibliography.(2004) .
MLA-referens (8:e uppl.)Wagener, Peter. "German in Wisconsin: Language Change and Loss / Peter Wagener." Globalization and the Future of German : With a Select Bibliography.(2004), .
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