Shortened footnote and citation:
{{sfn|Rostock|2007|p=}}
* {{cite book | last=Rostock | first=Helmut | title=Lehrbuch der portugiesischen Sprache | publisher=Buske Verlag | publication-place=Hamburg | date=2007 | isbn=978-3-87548-436-6 | language=de}}
Named reference:
<ref name="f386">{{cite book | last=Rostock | first=Helmut | title=Lehrbuch der portugiesischen Sprache | publisher=Buske Verlag | publication-place=Hamburg | date=2007 | isbn=978-3-87548-436-6 | language=de | page=}}</ref>