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{sMichalowskiSumerian2004, author = {Michalowski, Piotr}, booktitle = {The Cambridge encyclopedia of the world's ancient languages}, editor = {Woodard, Roger D.}, pages = {19-59}, publisher = {Cambridge: Cambridge University Press}, title = {Sumerian}, year = {2004} }