Laycock n.d.

Laycock, Donald C. n.d. Notebook D28: Selected Research Papers of Don Laycock on Languages in Papua New Guinea: Yerakai, Yinibu (Iteri), Biami (Piame) /Bikaru/Paka (pejorative, better: Setiali), Singsing data (flutes) (Kwoma).Don Laycock (compiler). Pacific And Regional Archive for Digital Sources in Endangered Cultures (PARADISEC). paradisec.org.au/repository/DL2/items/039.

@misc{10072,
  author = {Laycock, Donald C.},
  title  = {Notebook D28: Selected Research Papers of Don Laycock on Languages in Papua New Guinea: Yerakai, Yinibu (Iteri), Biami (Piame) /Bikaru/Paka (pejorative, better: Setiali), Singsing data (flutes) (Kwoma).Don Laycock (compiler). Pacific And Regional Archive for Digital Sources in Endangered Cultures (PARADISEC). paradisec.org.au/repository/DL2/items/039.},
  year   = {n.d.}
}