Andersen, Torben. 2003. Berta Language. In Uhlig, Siegbert (ed.), Encyclopaedia Aethiopica, 546-547. Wiesbaden: Otto Harrassowitz.
@incollection{wAndersenBerta,
address = {Wiesbaden},
author = {Andersen, Torben},
booktitle = {Encyclopaedia Aethiopica},
editor = {Uhlig, Siegbert},
pages = {546-547},
publisher = {Wiesbaden: Otto Harrassowitz},
title = {Berta Language},
volume = {I},
year = {2003}
}