Almakrob, A. Y., & Al-Hazemi, H. A. (2018). Acquisition of Tense-Aspect System by Arabic and English L2 Learners: A Comparative Study. Imam Mohammad ibn Saud Islamic University, College of Languages and Translation, Department of English Language and Literature.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Almakrob, Ahmed Yahya, و Hassan Ali Al-Hazemi. Acquisition of Tense-Aspect System by Arabic and English L2 Learners: A Comparative Study. Riyadh: Imam Mohammad ibn Saud Islamic University, College of Languages and Translation, Department of English Language and Literature, 2018.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Almakrob, Ahmed Yahya, و Hassan Ali Al-Hazemi. Acquisition of Tense-Aspect System by Arabic and English L2 Learners: A Comparative Study. Imam Mohammad ibn Saud Islamic University, College of Languages and Translation, Department of English Language and Literature, 2018.