* {{cite book | last=Burke | first=Peter | title=A Social History of Knowledge II | publisher=Polity | publication-place=Cambridge | date=2012-01-17 | isbn=978-0-7456-5042-5}}
<ref name="i901">{{cite book | last=Burke | first=Peter | title=A Social History of Knowledge II | publisher=Polity | publication-place=Cambridge | date=2012-01-17 | isbn=978-0-7456-5042-5 | page=}}</ref>