Laycock n.d.

Laycock, Don. n.d. Notebook C3: Selected Research Papers of Don Laycock on Languages in Papua New Guinea: Umbrak-Aiku, Agi, Aruop. Don Laycock (compiler); Don Laycock (researcher). n.d. Pacific And Regional Archive for Digital Sources in Endangered Cultures (PARADISEC). oai:paradisec.org.au:DL2-003.

@misc{105,
  author = {Laycock, Don},
  title  = {Notebook C3: Selected Research Papers of Don Laycock on Languages in Papua New Guinea: Umbrak-Aiku, Agi, Aruop. Don Laycock (compiler); Don Laycock (researcher). n.d. Pacific And Regional Archive for Digital Sources in Endangered Cultures (PARADISEC). oai:paradisec.org.au:DL2-003.},
  year   = {n.d.}
}