Henstra, D. J. (2003). The evolution of the money standard in medieval Frisia: A treatise on the history of the systems of money of account in the former Frisia (c. 600 - c. 1500).
Chicago-Zitierstil (17. Ausg.)Henstra, Dirk Jan. The Evolution of the Money Standard in Medieval Frisia: A Treatise on the History of the Systems of Money of Account in the Former Frisia (c. 600 - C. 1500). 2003.
MLA-Zitierstil (9. Ausg.)Henstra, Dirk Jan. The Evolution of the Money Standard in Medieval Frisia: A Treatise on the History of the Systems of Money of Account in the Former Frisia (c. 600 - C. 1500). 2003.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.