Tabel periodik: Perbedaan antara revisi

* {{cite|last=Mazurs, |first=E.G. (|year=1974). ''|title=Graphical Representations of the Periodic System During One Hundred Years''. |location=Alabama: |publisher=University of Alabama Press.}}

* {{cite|last=Bouma, |first=J. (|year=1989). "|title=An Application-Oriented Periodic Table of the Elements". ''|journal=J. Chem. Ed.''. |volume=66, |page=741.}}