Hayward, Richard J. 1990. Notes on the Zayse language. In Hayward, Richard J. (ed.), Omotic Languages Studies, 210–355. SOAS.
@incollection{1480_zay,
author = {Hayward, Richard J.},
booktitle = {Omotic Languages Studies},
editor = {Hayward, Richard J.},
pages = {210–355},
publisher = {SOAS},
title = {Notes on the Zayse language},
year = {1990}
}