LI, X.; CHEN, X.; CHEN, W.-H. Variation of subject pronominal expression in Mandarin Chinese. Sociolinguistic Studies, [S. l.], v. 6, n. 1, p. 91–119, 2012. DOI: 10.1558/sols.v6i1.91. Disponível em: https://journal.equinoxpub.com/SS/article/view/7170. Acesso em: 6 dec. 2021.