Al-Harthi, N. A., & Al-Kharaa'n, A. A. (2015). Civilization Aspects if Transoxania in the Umayyad Era from 86 Hj to 132 Hj: A Study to Achieve Master Degree in Civilization and History. Imam Mohammad ibn Saud Islamic University, College of Social Science, Department of Civilization and History.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Al-Harthi, Nafla Awadh, و Abdullah Abdulrahman Al-Kharaa'n. Civilization Aspects If Transoxania in the Umayyad Era from 86 Hj to 132 Hj: A Study to Achieve Master Degree in Civilization and History. Riyadh: Imam Mohammad ibn Saud Islamic University, College of Social Science, Department of Civilization and History, 2015.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Al-Harthi, Nafla Awadh, و Abdullah Abdulrahman Al-Kharaa'n. Civilization Aspects If Transoxania in the Umayyad Era from 86 Hj to 132 Hj: A Study to Achieve Master Degree in Civilization and History. Imam Mohammad ibn Saud Islamic University, College of Social Science, Department of Civilization and History, 2015.