Chong, B. W. (2021). Properties of concrete incorporating eggshell as partial cement replacement with tire crumb as sand replacement.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Chong, Beng Wei. Properties of Concrete Incorporating Eggshell as Partial Cement Replacement with Tire Crumb as Sand Replacement. 2021.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Chong, Beng Wei. Properties of Concrete Incorporating Eggshell as Partial Cement Replacement with Tire Crumb as Sand Replacement. 2021.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.