Laycock n.d.

Laycock, Donald C. n.d. Notebook C9: Selected Research Papers of Don Laycock on Languages in Papua New Guinea: Au, Pahi, Lou, Siliput, Aru.ÊDon Laycock (compiler); Don Laycock (researcher). n.d. Pacific And Regional Archive for Digital Sources in Endangered Cultures (PARADISEC). oai:paradisec.org.au:DL2-009.

@misc{494,
  author = {Laycock, Donald C.},
  title  = {Notebook C9: Selected Research Papers of Don Laycock on Languages in Papua New Guinea: Au, Pahi, Lou, Siliput, Aru.ÊDon Laycock (compiler); Don Laycock (researcher). n.d. Pacific And Regional Archive for Digital Sources in Endangered Cultures (PARADISEC). oai:paradisec.org.au:DL2-009},
  year   = {n.d.}
}