Berman, Robert, et Liying Cheng. « English Academic Language Skills: Perceived Difficulties by Undergraduate and Graduate Students, and Their Academic Achievement ». Revue canadienne de linguistique appliquée 4, no. 1 (avril 20, 2010): 25–40. Consulté le juillet 17, 2024. https://journals.lib.unb.ca/index.php/CJAL/article/view/19830.