Laycock n.d.

Laycock, Donald C. n.d. Notebook C2: Selected Research Papers of Don Laycock on Languages in Papua New Guinea: Elkei, Yau, Bouye. Don Laycock (compiler); Don Laycock (researcher). n.d. Pacific And Regional Archive for Digital Sources in Endangered Cultures (PARADISEC). oai:paradisec.org.au:DL2-002.

@misc{2217,
  author = {Laycock, Donald C.},
  title  = {Notebook C2: Selected Research Papers of Don Laycock on Languages in Papua New Guinea: Elkei, Yau, Bouye. Don Laycock (compiler); Don Laycock (researcher). n.d. Pacific And Regional Archive for Digital Sources in Endangered Cultures (PARADISEC). oai:paradisec.org.au:DL2-002},
  year   = {n.d.}
}