* {{cite book | last=Critchett | first=Jan | title=A Distant Field of Murder | publisher=Carlton, Vic. : Melbourne University Press ; Portland, Or. : U.S.A. and Canada, International Specialized Book Service | publication-place=Carlton | date=1990 | isbn=0-522-84389-1}}
<ref name="h021">{{cite book | last=Critchett | first=Jan | title=A Distant Field of Murder | publisher=Carlton, Vic. : Melbourne University Press ; Portland, Or. : U.S.A. and Canada, International Specialized Book Service | publication-place=Carlton | date=1990 | isbn=0-522-84389-1 | page=}}</ref>