Jordheim, H. (2011). Does conceptual history really need a theory of historical times?: Helge Jordheim. Contributions to the history of concepts.
Lua i Stíl Chicago (17ú heag.)Jordheim, Helge. "Does Conceptual History Really Need a Theory of Historical Times?: Helge Jordheim." Contributions to the History of Concepts 2011.
Lua MLA (8ú heag.)Jordheim, Helge. "Does Conceptual History Really Need a Theory of Historical Times?: Helge Jordheim." Contributions to the History of Concepts, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.