Allen, Jerry and Beaso, Matthew. 1975. Petats phonemes and orthography. Workpapers in Papua New Guinea Languages 13. 145-170. Ukarumpa, Papua New Guinea: Summer Institute of Linguistics.
@article{allenandbeaso1975,
address = {Ukarumpa, Papua New Guinea},
author = {Allen, Jerry and Beaso, Matthew},
journal = {Workpapers in Papua New Guinea Languages},
key = {Allen and Beaso 1975},
pages = {145-170},
publisher = {Summer Institute of Linguistics},
title = {Petats phonemes and orthography},
volume = {13},
year = {1975}
}