Idris, H. A. (2014). Motivation and job satisfaction: A case study of academic staff in Bauchi State University, Gadau, Nigeria. Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Idris, Hassan Abubakar. Motivation and Job Satisfaction: A Case Study of Academic Staff in Bauchi State University, Gadau, Nigeria. Kuala Lumpur: Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia, 2014.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Idris, Hassan Abubakar. Motivation and Job Satisfaction: A Case Study of Academic Staff in Bauchi State University, Gadau, Nigeria. Kulliyyah of Islamic Revealed Knowledge and Human Sciences, International Islamic University Malaysia, 2014.