* {{cite book | last=Gelichi | first=Sauro | last2=Gasparri | first2=Stefano | title=Venice and its neighbors from the 8th to 11th century: through renovation and continuity | publisher=Brill | publication-place=Leiden | date=2018 | isbn=978-90-04-35361-9}}
<ref name="z562">{{cite book | last=Gelichi | first=Sauro | last2=Gasparri | first2=Stefano | title=Venice and its neighbors from the 8th to 11th century: through renovation and continuity | publisher=Brill | publication-place=Leiden | date=2018 | isbn=978-90-04-35361-9 | page=}}</ref>