Huehnergard, John. 2004. Afro-Asiatic. In Woodard, Roger D. (ed.), The Cambridge Encyclopedia of the World's Ancient Languages, 138–159. Cambridge: Cambridge University Press.
@incollection{AfroasiaticWoodard2004, address = {Cambridge}, author = {Huehnergard, John}, booktitle = {The Cambridge Encyclopedia of the World's Ancient Languages}, editor = {Woodard, Roger D.}, pages = {138–159}, publisher = {Cambridge University Press}, title = {Afro-Asiatic}, year = {2004} }