BIERMAN, I. English Grammar for Today: A New Introduction, by Geoffrey Leech (and others). English Usage in Southern Africa, [S. l.], v. 16, n. 1, p. 43–45, 1985. Disponível em: https://unisapressjournals.co.za/index.php/EUSA/article/view/5322. Acesso em: 3 jul. 2024.