توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Mustapha, B. (2015). The determinants of online tax system: Survey evidence from self-employed taxpayers in Nigeria. Kulliyyah of Economic and Management Sciences, International islamic University Malaysia.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Mustapha, Bojuwon. The Determinants of Online Tax System: Survey Evidence from Self-employed Taxpayers in Nigeria. Kuala Lumpur: Kulliyyah of Economic and Management Sciences, International islamic University Malaysia, 2015.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Mustapha, Bojuwon. The Determinants of Online Tax System: Survey Evidence from Self-employed Taxpayers in Nigeria. Kulliyyah of Economic and Management Sciences, International islamic University Malaysia, 2015.