Jordheim, H. Europe at different speeds: Asynchronicities and multiple times in European conceptual history / Helge Jordheim. Conceptual history in the European space.([2017]).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJordheim, Helge. "Europe at Different Speeds: Asynchronicities and Multiple Times in European Conceptual History / Helge Jordheim." Conceptual History in the European Space.([2017]) .
एमएलए (8वां संस्करण) प्रशस्ति पत्रJordheim, Helge. "Europe at Different Speeds: Asynchronicities and Multiple Times in European Conceptual History / Helge Jordheim." Conceptual History in the European Space.([2017]), .
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