Hutchisson, Don. 1975. Sursurunga grammar essentials. Summer Institute of Linguistics.
@misc{93,
author = {Hutchisson, Don},
howpublished = {Unpublished manuscript. Ukarumpa: Summer Institute of Linguistics},
publisher = {Summer Institute of Linguistics},
title = {Sursurunga grammar essentials},
url = {https://pnglanguages.sil.org/resources/archives/43876},
year = {1975}
}