ADEY, A. D. An index to English Usage in Southern Africa (Vols. 5 to 7). English Usage in Southern Africa, [S. l.], v. 8, n. 1–2, p. 88–89, 2018. Disponível em: https://www.unisapressjournals.co.za/index.php/EUSA/article/view/5465. Acesso em: 22 oct. 2025.