Michalowski, Piotr. 2004. Sumerian. In Woodard, Roger D. (ed.), The Cambridge Encyclopedia of the World's Ancient Languages, 19–59. Cambridge: Cambridge University Press.
@incollection{SumerianWoodard2004, address = {Cambridge}, author = {Michalowski, Piotr}, booktitle = {The Cambridge Encyclopedia of the World's Ancient Languages}, editor = {Woodard, Roger D.}, pages = {19–59}, publisher = {Cambridge University Press}, title = {Sumerian}, year = {2004} }