GIBSON, A. L. CAI: Yes or No?. Discourse and Writing/Rédactologie, [S. l.], v. 4, n. 2, p. 38–43, 1985. DOI: 10.31468/cjsdwr.164. Disponível em: https://journals.sfu.ca/dwr/index.php/dwr/article/view/164. Acesso em: 5 may. 2024.