RANKIN, Robert L. The Unmarking of Quapaw Phonology: A Study of Language Death. Kansas Working Papers in Linguistics, [S. l.], v. 3, p. 45–52, 1978. DOI: 10.17161/KWPL.1808.723. Disponível em: https://journals.ku.edu/kwpl/article/view/17433.. Acesso em: 3 may. 2024.