Keel, W. D. (2003). German language varieties worldwide: Internal and external perspectives. Frankfurt am Main [u.a.]: Lang.
Chicago Style CitationKeel, William D. German Language Varieties Worldwide: Internal and External Perspectives. Frankfurt am Main [u.a.]: Lang, 2003.
MLA CitationKeel, William D. German Language Varieties Worldwide: Internal and External Perspectives. Frankfurt am Main [u.a.]: Lang, 2003.
Warning: These citations may not always be 100% accurate.