Al-Dakhil, l. M., & Al-Mahmoud, M. b. S. (2017). The Effect of Consonant Voicing on Arabic Cardinal Vowels: An Acoustic Study. - Al-Imam Mohammad Ibn Saud Islamic University,College of Langages and Translation, Department of english Language and Literature.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Al-Dakhil, linah M., و Mahmoud bin Sulaiman Al-Mahmoud. The Effect of Consonant Voicing on Arabic Cardinal Vowels: An Acoustic Study. Riyadh: - Al-Imam Mohammad Ibn Saud Islamic University,College of Langages and Translation, Department of english Language and Literature, 2017.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Al-Dakhil, linah M., و Mahmoud bin Sulaiman Al-Mahmoud. The Effect of Consonant Voicing on Arabic Cardinal Vowels: An Acoustic Study. - Al-Imam Mohammad Ibn Saud Islamic University,College of Langages and Translation, Department of english Language and Literature, 2017.