{{sfn|Haddad|Jackson|1990|p=}}
* {{cite book | last=Haddad | first=Paul R. | last2=Jackson | first2=Peter E. | title=Ion Chromatography | publisher=Elsevier Science Limited | publication-place=Amsterdam, Netherlands ; New York : New York, NY, USA | date=1990 | isbn=0-444-88232-4}}
<ref name="r887">{{cite book | last=Haddad | first=Paul R. | last2=Jackson | first2=Peter E. | title=Ion Chromatography | publisher=Elsevier Science Limited | publication-place=Amsterdam, Netherlands ; New York : New York, NY, USA | date=1990 | isbn=0-444-88232-4 | page=}}</ref>