Nur Hanis Mohamad Hanapi. (2012). Production of citric acid from sewage treatment plant (STP) through liquid state bioconversion. Kulliyyah of Engineering, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Nur Hanis Mohamad Hanapi. Production of Citric Acid from Sewage Treatment Plant (STP) Through Liquid State Bioconversion. Kuala Lumpur: Kulliyyah of Engineering, International Islamic University Malaysia, 2012.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Nur Hanis Mohamad Hanapi. Production of Citric Acid from Sewage Treatment Plant (STP) Through Liquid State Bioconversion. Kulliyyah of Engineering, International Islamic University Malaysia, 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.