Omar, A. S., & Smith, W. (1984). The effect of using diagnostic-prescriptive teaching on achievement in science of Saudi Arabian high school students. University of Kansas, Curriculum and Instruction.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Omar, Abdulaziz Saud, و Walter Smith. The Effect of Using Diagnostic-prescriptive Teaching on Achievement in Science of Saudi Arabian High School Students. Kansas: University of Kansas, Curriculum and Instruction, 1984.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Omar, Abdulaziz Saud, و Walter Smith. The Effect of Using Diagnostic-prescriptive Teaching on Achievement in Science of Saudi Arabian High School Students. University of Kansas, Curriculum and Instruction, 1984.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.