Vikaneswari Shanmugam. (2001). Factors affecting academic performance of upper secondary school students in selected subjects.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Vikaneswari Shanmugam. Factors Affecting Academic Performance of Upper Secondary School Students in Selected Subjects. 2001.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Vikaneswari Shanmugam. Factors Affecting Academic Performance of Upper Secondary School Students in Selected Subjects. 2001.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.