Chan, W. H. (2009). Study of noise pollution in two secondary schools located close to busy roads in Klang District.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Chan, Wai Hong. Study of Noise Pollution in Two Secondary Schools Located Close to Busy Roads in Klang District. 2009.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Chan, Wai Hong. Study of Noise Pollution in Two Secondary Schools Located Close to Busy Roads in Klang District. 2009.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.