Yusuf, Y. M. (2017). Peoples' Democratic Party and selection of gubernatorial candidate in North-West Nigeria. Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Yusuf, Yahaya Musa. Peoples' Democratic Party and Selection of Gubernatorial Candidate in North-West Nigeria. Kuala Lumpur: Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia, 2017.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Yusuf, Yahaya Musa. Peoples' Democratic Party and Selection of Gubernatorial Candidate in North-West Nigeria. Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia, 2017.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.