Koh, S. P. (2004). Formulation and Storage Properties of Trasparent Soap Prepared From Enzymatically and Nonenzymatically Treated Palm-Based Materials.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Koh, Soo Peng. Formulation and Storage Properties of Trasparent Soap Prepared From Enzymatically and Nonenzymatically Treated Palm-Based Materials. 2004.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Koh, Soo Peng. Formulation and Storage Properties of Trasparent Soap Prepared From Enzymatically and Nonenzymatically Treated Palm-Based Materials. 2004.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.