Ponniah, L. S. (2006). Achievement in problem solving and metacognitive thinking strategies among undergraduate calculus students. Institute of Education, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ponniah, Logendra Stanley. Achievement in Problem Solving and Metacognitive Thinking Strategies Among Undergraduate Calculus Students. Gombak, Selangor: Institute of Education, International Islamic University Malaysia, 2006.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ponniah, Logendra Stanley. Achievement in Problem Solving and Metacognitive Thinking Strategies Among Undergraduate Calculus Students. Institute of Education, International Islamic University Malaysia, 2006.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.