Laycock, Donald C. n.d. Notebook D20: Selected Research Papers of Don Laycock on Languages in Papua New Guinea. Don Laycock (compiler). n.d. Pacific And Regional Archive for Digital Sources in Endangered Cultures (PARADISEC). paradisec.org.au/repository/DL2/items/031.
@misc{36, author = {Laycock, Donald C.}, title = {Notebook D20: Selected Research Papers of Don Laycock on Languages in Papua New Guinea. Don Laycock (compiler). n.d. Pacific And Regional Archive for Digital Sources in Endangered Cultures (PARADISEC). paradisec.org.au/repository/DL2/items/031.}, year = {n.d.} }