Laycock n.d.

Laycock, Donald C. n.d. Notebook C7: Selected Research Papers of Don Laycock on Languages in Papua New Guinea: Kalp, Seta/Seti, Wiaki. Pacific And Regional Archive for Digital Sources in Endangered Cultures (PARADISEC). oai:paradisec.org.au:DL2-007.

@misc{8215,
  author = {Laycock, Donald C.},
  title  = {Notebook C7: Selected Research Papers of Don Laycock on Languages in Papua New Guinea: Kalp, Seta/Seti, Wiaki. Pacific And Regional Archive for Digital Sources in Endangered Cultures (PARADISEC). oai:paradisec.org.au:DL2-007.},
  year   = {n.d.}
}