Wilson, Particia R. 1980. Ambulas Grammar. (Workpapers in Papua New Guinea Linguistics, 26.) Ukarumpa: Summer Institute of Linguistics.
@book{sinnemakizeromarking-Wilson1980,
address = {Ukarumpa},
author = {Wilson, Particia R.},
publisher = {Summer Institute of Linguistics},
series = {Workpapers in Papua New Guinea Linguistics},
title = {Ambulas Grammar},
volume = {26},
year = {1980}
}