Chamseddine, M. (2007). The effect of demonstrations and activities on the students' attitude towards chemistry and their achievement in middle school. (c2007).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Chamseddine, Mazena. The Effect of Demonstrations and Activities on the Students' Attitude Towards Chemistry and Their Achievement in Middle School. (c2007). 2007.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Chamseddine, Mazena. The Effect of Demonstrations and Activities on the Students' Attitude Towards Chemistry and Their Achievement in Middle School. (c2007). 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.