Stolberg, D. (2015). Changes between the lines: Diachronic contact phenomena in written Pennsylvania German. De Gruyter.
Chicago-viite (17. p.)Stolberg, Doris. Changes Between the Lines: Diachronic Contact Phenomena in Written Pennsylvania German. Berlin, [Germany] ; Boston, [Massachusetts]: De Gruyter, 2015.
MLA-viite (9. p.)Stolberg, Doris. Changes Between the Lines: Diachronic Contact Phenomena in Written Pennsylvania German. De Gruyter, 2015.
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