Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.
APA Citation Edition CitationAllen, M. (2017). A Probable Addition to the Coinage of Henry, Earl of Northumberland (d. 1152). The Royal Numismatic Society.
Chicago Citation Edition CitationAllen, Martyn. A Probable Addition to the Coinage of Henry, Earl of Northumberland (d. 1152). London: The Royal Numismatic Society, 2017.
MLA Citation Edition CitationAllen, Martyn. A Probable Addition to the Coinage of Henry, Earl of Northumberland (d. 1152). The Royal Numismatic Society, 2017.