BibTeX

@misc{DaviesandFritzell1992,
  author       = {Davies, Robyn and Fritzell, Lisbeth},
  howpublished = {Unpublished MS. Summer Institute of Linguistics, Ukarumpa},
  title        = {Duke of York grammar essentials (Ramoaaina)},
  url          = {https://pnglanguages.sil.org/resources/archives/43873},
  year         = {1992},
  sections     = {None}
}