Stolberg, D. (2015). Changes between the lines: Diachronic contact phenomena in written Pennsylvania German. De Gruyter.
Lua i Stíl Chicago (17ú heag.)Stolberg, Doris. Changes Between the Lines: Diachronic Contact Phenomena in Written Pennsylvania German. Berlin, [Germany] ; Boston, [Massachusetts]: De Gruyter, 2015.
Lua MLA (9ú heag.)Stolberg, Doris. Changes Between the Lines: Diachronic Contact Phenomena in Written Pennsylvania German. De Gruyter, 2015.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.