ADEY, A. D. An index to English Usage in Southern Africa (Vols. 5 to 8). English Usage in Southern Africa, [S. l.], v. 9, n. 1, p. 46–48, 2018. Disponível em: https://www.unisapressjournals.co.za/index.php/EUSA/article/view/5442. Acesso em: 17 dec. 2025.