توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Khairul'Azmi Mohamad. (1993). A Comparative study on mitigating and aggravating factors of punishment. : International Islamic University Malaysia.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Khairul'Azmi Mohamad. A Comparative Study on Mitigating and Aggravating Factors of Punishment. Petaling Jaya: : International Islamic University Malaysia, 1993.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Khairul'Azmi Mohamad. A Comparative Study on Mitigating and Aggravating Factors of Punishment. : International Islamic University Malaysia, 1993.