Al-Ajroush, H. A., & Butler, C. E. (1980). A historical development of the public secondary school curriculum in Saudi Arabia from 1930 to the present. University of Oklahoma.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Al-Ajroush, Hamad A., و Chales E. Butler. A Historical Development of the Public Secondary School Curriculum in Saudi Arabia from 1930 to the Present. Norman: University of Oklahoma, 1980.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Al-Ajroush, Hamad A., و Chales E. Butler. A Historical Development of the Public Secondary School Curriculum in Saudi Arabia from 1930 to the Present. University of Oklahoma, 1980.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.