Pease, Helen &Betts, Lavera. 1971. Parintintin phonology. In Bendor, Samuel (ed.), Tupi Studies, I. SIL.
@incollection{pease1971parintintin, author = {Pease, Helen &Betts, Lavera}, booktitle = {Tupi Studies, I}, editor = {Bendor, Samuel}, publisher = {SIL}, title = {Parintintin phonology}, volume = {29}, year = {1971} }