Al-Motaer, A., & Halfin, H. (1982). Innovation in traditional instruction: A design for individualized instruction in the vocational training centers' curriculum in the Kingdom of Saudi Arabia. University of Wisconsin.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Al-Motaer, Attig, و Harold Halfin. Innovation in Traditional Instruction: A Design for Individualized Instruction in the Vocational Training Centers' Curriculum in the Kingdom of Saudi Arabia. Wisconsin: University of Wisconsin, 1982.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Al-Motaer, Attig, و Harold Halfin. Innovation in Traditional Instruction: A Design for Individualized Instruction in the Vocational Training Centers' Curriculum in the Kingdom of Saudi Arabia. University of Wisconsin, 1982.