Galestin, M. C. (1997). The Dark Age concept and the Frisian terp area. The transition from the Roman to the Medieval period.
Chicago-Zitierstil (17. Ausg.)Galestin, Marjan C. The Dark Age Concept and the Frisian Terp Area. The Transition from the Roman to the Medieval Period. 1997.
MLA-Zitierstil (9. Ausg.)Galestin, Marjan C. The Dark Age Concept and the Frisian Terp Area. The Transition from the Roman to the Medieval Period. 1997.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.