Al Faleh, N. A., & Harty, H. (1981). Effects of lecturedemonstration and small group experimentation teaching methods on Saudi Arabian students chemistry achievement and attitudes toward science learning. Indiana University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Al Faleh, Nasser A., و Harlod Harty. Effects of Lecturedemonstration and Small Group Experimentation Teaching Methods on Saudi Arabian Students Chemistry Achievement and Attitudes Toward Science Learning. Bloomington, Indiana: Indiana University, 1981.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Al Faleh, Nasser A., و Harlod Harty. Effects of Lecturedemonstration and Small Group Experimentation Teaching Methods on Saudi Arabian Students Chemistry Achievement and Attitudes Toward Science Learning. Indiana University, 1981.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.