Adey, A. D. β€œAn Index to English Usage in Southern Africa (Vols. 5 to 8)”. English Usage in Southern Africa 9, no. 1 (December 20, 2018): 46–48. Accessed December 16, 2025. https://www.unisapressjournals.co.za/index.php/EUSA/article/view/5442.