Segaran, K. (2014). The effectiveness of modality principle on 3D talking head linguistic learning aid on pronunciation among tertiary level students (IR).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Segaran, Kogilathah. The Effectiveness of Modality Principle on 3D Talking Head Linguistic Learning Aid on Pronunciation Among Tertiary Level Students (IR). 2014.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Segaran, Kogilathah. The Effectiveness of Modality Principle on 3D Talking Head Linguistic Learning Aid on Pronunciation Among Tertiary Level Students (IR). 2014.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.