(Translated by https://www.hiragana.jp/)
Citer
Shortened footnote and citation:
{{sfn | Keller | 2006 | p=}}
* {{cite book | last=Keller | first=Rudi | title=Der Geschäftsbericht | publisher=Springer-Verlag | publication-place=Wiesbaden | date=2006-03-15 | isbn=3-8349-0163-6 | language=de}}
Named reference:
<ref name="e679">{{cite book | last=Keller | first=Rudi | title=Der Geschäftsbericht | publisher=Springer-Verlag | publication-place=Wiesbaden | date=2006-03-15 | isbn=3-8349-0163-6 | language=de | page=}}</ref>