Broudy, H. S. (1972). Can research provide a rationale for teh study of sciencen. ERIC Information Analysis Center for Science, Mathematics and Environmental Education.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Broudy, Harry S. Can Research Provide a Rationale for Teh Study of Sciencen. Columbus: ERIC Information Analysis Center for Science, Mathematics and Environmental Education, 1972.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Broudy, Harry S. Can Research Provide a Rationale for Teh Study of Sciencen. ERIC Information Analysis Center for Science, Mathematics and Environmental Education, 1972.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.