Bugenhagen and Bugenhagen 2007

Bugenhagen, Salme & Robert D. Bugenhagen. 2007. Ro Ta Ipiyooto Sua Mbula Uunu: Mbula-English Dictionary. Ukarumpa: Summer Institute of Linguistics, Papua New Guinea Branch.

https://www.webonary.org/mbula/

@misc{52,
  address   = {Ukarumpa},
  author    = {Bugenhagen, Salme and Bugenhagen, Robert D.},
  publisher = {Summer Institute of Linguistics, Papua New Guinea Branch},
  title     = {Ro Ta Ipiyooto Sua Mbula Uunu: Mbula-English Dictionary},
  url       = {https://www.webonary.org/mbula/},
  year      = {2007}
}