* {{cite book | last=Hughes | first=Howard | title=Aim for the Heart | publisher=I.B. Tauris | publication-place=London ; New York : New York | date=2009-09 | isbn=978-1-84511-902-7 | oclc=313645363}}
<ref name="l909">{{cite book | last=Hughes | first=Howard | title=Aim for the Heart | publisher=I.B. Tauris | publication-place=London ; New York : New York | date=2009-09 | isbn=978-1-84511-902-7 | oclc=313645363 | page=}}</ref>