Al-Najim, S. A. R., & Bailey, J. (1980). The gap between parents and school in the eastern province of Saudi Arabia: Al Hassa district. University of Kansas.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Al-Najim, Saad Abdul Rahman, و Jerry Bailey. The Gap Between Parents and School in the Eastern Province of Saudi Arabia: Al Hassa District. University of Kansas, 1980.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Al-Najim, Saad Abdul Rahman, و Jerry Bailey. The Gap Between Parents and School in the Eastern Province of Saudi Arabia: Al Hassa District. University of Kansas, 1980.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.