Tharp, Douglas. 1996. Sulka grammar essentials. In John M. Clifton (ed.), Two non-Austronesian grammars from the islands, 77–179. Ukarumpa: Summer Institute of Linguistics.
@incollection{tharp1996sulka,
address = {Ukarumpa},
author = {Tharp, Douglas},
booktitle = {Two non-Austronesian grammars from the islands},
editor = {John M. Clifton},
journal = {ed. by John M. CLIFTON, DP 42},
pages = {77–179},
publisher = {Summer Institute of Linguistics},
series = {Data Papers on Papua New Guinea Languages},
title = {Sulka grammar essentials},
volume = {42},
year = {1996}
}