* {{cite book | last=Cheng | first=Bin | title=General Principles of Law as Applied by International Courts and Tribunals | publisher=Cambridge University Press | publication-place=Cambridge ; New York | date=2006-11-02 | isbn=978-0-521-03000-7}}
<ref name="n869">{{cite book | last=Cheng | first=Bin | title=General Principles of Law as Applied by International Courts and Tribunals | publisher=Cambridge University Press | publication-place=Cambridge ; New York | date=2006-11-02 | isbn=978-0-521-03000-7 | page=}}</ref>