Muhammad Ibrahim. (2008). Teachers attitudes towards graphing calculators and the correlation with their perceived proficiency level in their application of instructional practice strategies.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Muhammad Ibrahim. Teachers Attitudes Towards Graphing Calculators and the Correlation with Their Perceived Proficiency Level in Their Application of Instructional Practice Strategies. 2008.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Muhammad Ibrahim. Teachers Attitudes Towards Graphing Calculators and the Correlation with Their Perceived Proficiency Level in Their Application of Instructional Practice Strategies. 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.