Cosper, Ronald. “The Evolution of Language and Linguistic Theory”. Papers from the Annual Meetings of the Atlantic Provinces Linguistic Association (PAMAPLA) / ACTES DES COLLOQUES ANNUELS DE L’ASSOCIATION DE LINGUISTIQUE DES PROVINCES ATLANTIQUES (ACAALPA). 21 (June 6, 1998): 3–10. Accessed May 5, 2024. https://conferences.lib.unb.ca/index.php/pamapla/article/view/281.