| Everett, Daniel L | Acentuação, tom e silabificação no pirahã | 1981 | Estudos Lingüísticos | Linguistics |
| Crofts, Marjorie | Must tone always be written in a tonal language? | 1976 | The Bible Translator | Linguistics, Literacy and Education |
| Sheldon, Steven N | Some morphophonemic and tone perturbation rules in Mura-Pirahã | 1974 | International Journal of American Linguistics | Linguistics |
| Eberhard, Dave | Mamaindé tone: an OT account of plateauing, floating tones, and toneless morphemes in an Amazonian language | 2004 | SIL Electronic Working Papers | Linguistics |
