توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Mustapha Usman. (2015). Evidence of board diversity and shariah committee's attributes of Islamic banks: Impacts on performance.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Mustapha Usman. Evidence of Board Diversity and Shariah Committee's Attributes of Islamic Banks: Impacts on Performance. Kuala Lumpur :Kulliyyah of Economics and Management Sciences, International Islamic University Malaysia, 2015.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Mustapha Usman. Evidence of Board Diversity and Shariah Committee's Attributes of Islamic Banks: Impacts on Performance. 2015.