AL Yousef, S. S., & Al Ahaydib, M. (2019). An Empirical Study of Schema Theory and Its Application in Improving University Students' Writing Ability. Imam Mohammad ibn Saud Islamic University, College of Languages and Translation, Department of English Language and Literature.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)AL Yousef, Sarah Saleh, و Mohammed Al Ahaydib. An Empirical Study of Schema Theory and Its Application in Improving University Students' Writing Ability. Riyadh: Imam Mohammad ibn Saud Islamic University, College of Languages and Translation, Department of English Language and Literature, 2019.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)AL Yousef, Sarah Saleh, و Mohammed Al Ahaydib. An Empirical Study of Schema Theory and Its Application in Improving University Students' Writing Ability. Imam Mohammad ibn Saud Islamic University, College of Languages and Translation, Department of English Language and Literature, 2019.