HURTER, M.; ADEY, A. D. The form of the letter in English. English Usage in Southern Africa, [S. l.], v. 9, n. 1, p. 10–19, 1978. Disponível em: https://unisapressjournals.co.za/index.php/EUSA/article/view/5436. Acesso em: 3 jul. 2024.