Grzechnik, M. (2012). Regional histories and historical regions: The concept of the Baltic Sea region in Polish and Swedish historiographies. Peter Lang.
Παραπομπή σε μορφή Chicago (17η εκδ.)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.
Παραπομπή σε μορφή MLA (9th εκδ.)Grzechnik, Marta. Regional Histories and Historical Regions: The Concept of the Baltic Sea Region in Polish and Swedish Historiographies. Peter Lang, 2012.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.