Grzechnik, M. (2012). Regional histories and historical regions: The concept of the Baltic Sea region in Polish and Swedish historiographies. Peter Lang.
Chicago-viite (17. p.)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.
MLA-viite (9. p.)Grzechnik, Marta. Regional Histories and Historical Regions: The Concept of the Baltic Sea Region in Polish and Swedish Historiographies. Peter Lang, 2012.
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