Tan, C. K. (2012). The Effects of Using Graphing Calculators on Students' Performance and Attitude Towards Probability Learning.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Tan, Choo Kim. The Effects of Using Graphing Calculators on Students' Performance and Attitude Towards Probability Learning. 2012.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Tan, Choo Kim. The Effects of Using Graphing Calculators on Students' Performance and Attitude Towards Probability Learning. 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.