Alkali, A. U. (2015). Child protection in the northern states of Nigeria: A need for a new child law. Ahmad Ibrahim Kulliyyah of Laws, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Alkali, Alhaji Umar. Child Protection in the Northern States of Nigeria: A Need for a New Child Law. Kuala Lumpur: Ahmad Ibrahim Kulliyyah of Laws, International Islamic University Malaysia, 2015.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Alkali, Alhaji Umar. Child Protection in the Northern States of Nigeria: A Need for a New Child Law. Ahmad Ibrahim Kulliyyah of Laws, International Islamic University Malaysia, 2015.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.