Tharp, Doug. 1996. Sulka Grammar Essentials. In Clifton, John M. (ed.), Two Non-Austronesian Grammars from the Islands, 77-179. Ukarumpa: Summer Institute of Linguistics.
@incollection{sinnemakizeromarking-Tharp1996,
address = {Ukarumpa},
author = {Tharp, Doug},
booktitle = {Two Non-Austronesian Grammars from the Islands},
editor = {Clifton, John M.},
pages = {77-179},
publisher = {Summer Institute of Linguistics},
title = {Sulka Grammar Essentials},
url = {https://www.sil.org/resources/archives/23670},
year = {1996}
}