توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Sitti Hasinah Abul Hassan. (2019). Public procurement in Malaysia: Objectives, principles, and transparency of e-procurement. Kulliyyah of Economics and Management Sciences, International Islamic University Malaysia.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Sitti Hasinah Abul Hassan. Public Procurement in Malaysia: Objectives, Principles, and Transparency of E-procurement. Kuala Lumpur: Kulliyyah of Economics and Management Sciences, International Islamic University Malaysia, 2019.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Sitti Hasinah Abul Hassan. Public Procurement in Malaysia: Objectives, Principles, and Transparency of E-procurement. Kulliyyah of Economics and Management Sciences, International Islamic University Malaysia, 2019.