Lindrud and Nicholson n.d.

Lindrud, Stellan and Nicholson, Ruth. n.d. Notes on the Taulil language of East New Britain. Ms., SIL.

@misc{sLindrudNicholsonTaulil,
  author       = {Lindrud, Stellan and Nicholson, Ruth},
  howpublished = {Ms., SIL},
  title        = {Notes on the Taulil language of East New Britain},
  year         = {n.d.}
}