Mohd Firdaus bin Ahmad. (2016). Islamic and Buddhist perspectives on the issues of lesbian, gay, bisexual and transgender (LGBT): An analysis. Kulliyyah Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Mohd Firdaus bin Ahmad. Islamic and Buddhist Perspectives on the Issues of Lesbian, Gay, Bisexual and Transgender (LGBT): An Analysis. Kuala Lumpur: Kulliyyah Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia, 2016.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Mohd Firdaus bin Ahmad. Islamic and Buddhist Perspectives on the Issues of Lesbian, Gay, Bisexual and Transgender (LGBT): An Analysis. Kulliyyah Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia, 2016.