RIVAS, Javier; BROWN, Esther L. Stage-Level and Individual-Level distinction in morphological variation. Borealis – An International Journal of Hispanic Linguistics, Tromsø, Norway, v. 1, n. 2, p. 73–90, 2012. DOI: 10.7557/1.1.2.2340. Disponível em: https://septentrio.uit.no/index.php/borealis/article/view/2340. Acesso em: 23 apr. 2026.