Wiebe n.d.

Wiebe, Brent. n.d. [Data supplied by Brent Wiebe, Summer Institute of Linguistics, Papua New Guinea.].

@misc{1164,
  author = {Wiebe, Brent},
  title  = {[Data supplied by Brent Wiebe, Summer Institute of Linguistics, Papua New Guinea.]},
  year   = {n.d.}
}