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 (unpublished).
@unpublished{Clark-and-Clark-1987,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}
}