Cheng, W. H. (2008). Distribution and concentration of several heavy metals in snails (Nerita lineata) from the intertidal areas of Peninsular Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Cheng, Wan Hee. Distribution and Concentration of Several Heavy Metals in Snails (Nerita Lineata) from the Intertidal Areas of Peninsular Malaysia. 2008.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Cheng, Wan Hee. Distribution and Concentration of Several Heavy Metals in Snails (Nerita Lineata) from the Intertidal Areas of Peninsular Malaysia. 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.