Grzechnik, M. (2012). Regional histories and historical regions: The concept of the Baltic Sea region in Polish and Swedish historiographies. Peter Lang.
Lua i Stíl Chicago (17ú heag.)Grzechnik, Marta. Regional Histories and Historical Regions: The Concept of the Baltic Sea Region in Polish and Swedish Historiographies. Frankfurt am Main: Peter Lang, 2012.
Lua MLA (9ú heag.)Grzechnik, Marta. Regional Histories and Historical Regions: The Concept of the Baltic Sea Region in Polish and Swedish Historiographies. Peter Lang, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.