Sumadi, S. R. (1993). Relationships between engineering properties and microstructural characteristics of mortar containing agricultural ash.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Sumadi, Salihuddin Radin. Relationships Between Engineering Properties and Microstructural Characteristics of Mortar Containing Agricultural Ash. 1993.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Sumadi, Salihuddin Radin. Relationships Between Engineering Properties and Microstructural Characteristics of Mortar Containing Agricultural Ash. 1993.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.