Eska, Joseph F. 2004. Continental Celtic. In Woodard, Roger D. (ed.), The Cambridge Encyclopedia of the World's Ancient Languages, 857–880. Cambridge: Cambridge University Press.
@incollection{CelticWoodard2004, address = {Cambridge}, author = {Eska, Joseph F.}, booktitle = {The Cambridge Encyclopedia of the World's Ancient Languages}, editor = {Woodard, Roger D.}, pages = {857–880}, publisher = {Cambridge University Press}, title = {Continental Celtic}, year = {2004} }