Sughayer, H., & Brown, E. D. (1989). Science education and the medium of instruction: Does the language of instruction affect science achievement. University of Arizona.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Sughayer, Husa, و Edward D. Brown. Science Education and the Medium of Instruction: Does the Language of Instruction Affect Science Achievement. Arizona: University of Arizona, 1989.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Sughayer, Husa, و Edward D. Brown. Science Education and the Medium of Instruction: Does the Language of Instruction Affect Science Achievement. University of Arizona, 1989.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.