Hale, Mark. 2004. Avestan. In Woodard, Roger D. (ed.), The Cambridge Encyclopedia of the World's Ancient Languages, 742–763. Cambridge: Cambridge University Press.
@incollection{AvestanWoodard2004, address = {Cambridge}, author = {Hale, Mark}, booktitle = {The Cambridge Encyclopedia of the World's Ancient Languages}, editor = {Woodard, Roger D.}, pages = {742–763}, publisher = {Cambridge University Press}, title = {Avestan}, year = {2004} }