Zatul Iffah binti Mohd Arshad. (2016). Recombinant bromelain purification, powder formulations and its applications. Kulliyyah of Engineering, International islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Zatul Iffah binti Mohd Arshad. Recombinant Bromelain Purification, Powder Formulations and Its Applications. Gombak, Selangor: Kulliyyah of Engineering, International islamic University Malaysia, 2016.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Zatul Iffah binti Mohd Arshad. Recombinant Bromelain Purification, Powder Formulations and Its Applications. Kulliyyah of Engineering, International islamic University Malaysia, 2016.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.