Kadipaten Benevento: Perbedaan antara revisi

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* {{cite book|authorlink=Charles Oman|last=Oman|first=Charles|title=The Dark Ages 476-918|location=[[London]]|publisher=Rivingtons|year=1914}}

* {{cite book|authorlink=Thomas Hodgkin (historian)|last=Hodgkin|first=Thomas|title=Italy and her Invaders|publisher=[[Clarendon Press]]|year=1895}}

* {{cite book|authorlink=John Julius Norwich (historian)|last=Norwich|first=John Julius|title=The Normans in Sicily|publisher=[[Penguin Books]]|year=1970}}