Aromatiese verbinding: Verskil tussen weergawes

<ref name="Armit">{{cite journal |first=James Wilkins |last=Armit |coauthorslast2=Robinson, |first2=Robert |date=1925 |title=Polynuclear heterocyclic aromatic types. Part II. Some anhydronium bases |journal=J. Chem. Soc. Trans. |volume=127 |pages=1604–1618 |language=Engelsen}}</ref>

<ref name="Encyc">{{cite web |title=Aromatic Compound |website=Encyclopedia.com |date=16 Oktober 2020 |url=http://www.encyclopedia.com/doc/1E1-aromatic.html |access-date=6 November 2020 |language=Engelsen}}</ref>

<ref name="March">{{cite book |last=March |first=Jerry |title=Advanced organic chemistry : reactions, mechanisms, and structure |publisher=Wiley |publication-place=New York |year=1985 |isbn=0-471-85472-7 |oclc=10998226 |language=Engelsen}}</ref>