Al-Gamdi, A. A. A. A. A., & Benkharafa, M. (2015). The vowel system of Ghamdi dialect and modern standard Arabic: A contrastive analysis \. Imam Mohammed Bin Saud Islamic University,College Languages and Translation, Department of English Language and Literature.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Al-Gamdi, Ahlam Ali Ahmed Ali Aziz, و Mustapha Benkharafa. The Vowel System of Ghamdi Dialect and Modern Standard Arabic: A Contrastive Analysis \. Riyadh: Imam Mohammed Bin Saud Islamic University,College Languages and Translation, Department of English Language and Literature, 2015.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Al-Gamdi, Ahlam Ali Ahmed Ali Aziz, و Mustapha Benkharafa. The Vowel System of Ghamdi Dialect and Modern Standard Arabic: A Contrastive Analysis \. Imam Mohammed Bin Saud Islamic University,College Languages and Translation, Department of English Language and Literature, 2015.