Clark, Stephen and Clark, Dawn. 1987. Sio Grammar Essentials. (unpublished).
@unpublished{Clark-and-Clark-1987, author = {Clark, Stephen and Clark, Dawn}, school = {Summer Institute of Linguistics, Ukarumpa}, title = {Sio Grammar Essentials}, type = {manuscript}, year = {1987}, iso_code = {xsi}, olac_field = {syntax; morphology; semantics; general_linguistics; typology}, wals_code = {sio} }