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Lua i Stíl Chicago (17ú heag.)Sander, Nikola. "Internal Migration in Germany, 1995-2010: New Insights into East-West Migration and Re-urbanisation." Comparative Population Studies 2014.
Lua MLA (8ú heag.)Sander, Nikola. "Internal Migration in Germany, 1995-2010: New Insights into East-West Migration and Re-urbanisation." Comparative Population Studies, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.