Lawrence, Marshall. 1993. Oksapmin Dictionary. Ukarumpa, Papua New Guinea: Summer Institute of Linguistics.
@book{Lawrence-1993,
address = {Ukarumpa, Papua New Guinea},
author = {Lawrence, Marshall},
publisher = {Summer Institute of Linguistics.},
title = {Oksapmin Dictionary},
year = {1993},
iso_code = {opm},
olac_field = {typology; general_linguistics; phonology; phonetics},
wals_code = {oks}
}