ROBLES-PUENTE, S.; VILCHES AGUADO, J. Bilabial fricatives in Mexican Spanish: A sociophonetic analysis. Borealis – An International Journal of Hispanic Linguistics, [S. l.], v. 8, n. 1, p. 143–161, 2019. DOI: 10.7557/1.8.1.4561. Disponível em: https://septentrio.uit.no/index.php/borealis/article/view/4561. Acesso em: 28 mar. 2024.