{{sfn | Pfahl-Traughber | 2014 | p=}}

* {{cite book | last=Pfahl-Traughber | first=Armin | title=Linksextremismus in Deutschland | publisher=Springer VS | publication-place=Wiesbaden | date=2014-02-03 | isbn=978-3-658-04506-7 | language=de}}

<ref name="v060">{{cite book | last=Pfahl-Traughber | first=Armin | title=Linksextremismus in Deutschland | publisher=Springer VS | publication-place=Wiesbaden | date=2014-02-03 | isbn=978-3-658-04506-7 | language=de | page=}}</ref>