توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Md. Niamul Bari. (2009). Production of citric asid from renewable oil palm empty fruit bunches by solid state bioconversion using locally isolated apergillus niger. Kulliyyah of Engineering, International Islamic University Malaysia.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Md. Niamul Bari. Production of Citric Asid from Renewable Oil Palm Empty Fruit Bunches by Solid State Bioconversion Using Locally Isolated Apergillus Niger. Gombak, Selangor: Kulliyyah of Engineering, International Islamic University Malaysia, 2009.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Md. Niamul Bari. Production of Citric Asid from Renewable Oil Palm Empty Fruit Bunches by Solid State Bioconversion Using Locally Isolated Apergillus Niger. Kulliyyah of Engineering, International Islamic University Malaysia, 2009.