Stolberg, D. (2015). Changes between the lines: Diachronic contact phenomena in written Pennsylvania German. De Gruyter.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रStolberg, Doris. Changes Between the Lines: Diachronic Contact Phenomena in Written Pennsylvania German. Berlin, [Germany] ; Boston, [Massachusetts]: De Gruyter, 2015.
एमएलए (9वां संस्करण) प्रशस्ति पत्रStolberg, Doris. Changes Between the Lines: Diachronic Contact Phenomena in Written Pennsylvania German. De Gruyter, 2015.
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