Gunasekaran s/o Vadiveloo. (2000). Perceptions of lower secondary school students towards environmental issues in the Sepang district, Selangor Darul Ehsan. International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Gunasekaran s/o Vadiveloo. Perceptions of Lower Secondary School Students Towards Environmental Issues in the Sepang District, Selangor Darul Ehsan. Gombak, Selangor: International Islamic University Malaysia, 2000.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Gunasekaran s/o Vadiveloo. Perceptions of Lower Secondary School Students Towards Environmental Issues in the Sepang District, Selangor Darul Ehsan. International Islamic University Malaysia, 2000.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.