Laycock n.d.

Laycock, Don. n.d. Notebook D15: Selected Research Papers of Don Laycock on Languages in Papua New Guinea: Biksi, Baibai, Dera. Don Laycock (compiler). n.d. Pacific And Regional Archive for Digital Sources in Endangered Cultures (PARADISEC). https://catalog.paradisec.org.au/collections/DL2/items/026.

@misc{674,
  author = {Laycock, Don},
  title  = {Notebook D15: Selected Research Papers of Don Laycock on Languages in Papua New Guinea: Biksi, Baibai, Dera. Don Laycock (compiler). n.d. Pacific And Regional Archive for Digital Sources in Endangered Cultures (PARADISEC). https://catalog.paradisec.org.au/collections/DL2/items/026},
  year   = {n.d.}
}