Josephine Uma Selvaraju. (2019). A study of lexical richness in esl students' writing.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Josephine Uma Selvaraju. A Study of Lexical Richness in Esl Students' Writing. 2019.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Josephine Uma Selvaraju. A Study of Lexical Richness in Esl Students' Writing. 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.