Ricca Rahman binti Nasaruddin. (2013). Production of biodiesel from sludge palm oil (SPO) by enzymatic transesterification. Kulliyyah of Engineering, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ricca Rahman binti Nasaruddin. Production of Biodiesel from Sludge Palm Oil (SPO) by Enzymatic Transesterification. Kuala Lumpur: Kulliyyah of Engineering, International Islamic University Malaysia, 2013.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ricca Rahman binti Nasaruddin. Production of Biodiesel from Sludge Palm Oil (SPO) by Enzymatic Transesterification. Kulliyyah of Engineering, International Islamic University Malaysia, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.