Sama, I. M. (1997). Governance and accountability: A comparative study of Murtala-Obasanjo and Shagari regimes in Nigeria. Department of Politics & International Relations, Lancaster University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Sama, Isa Mohammed. Governance and Accountability: A Comparative Study of Murtala-Obasanjo and Shagari Regimes in Nigeria. Lancaster: Department of Politics & International Relations, Lancaster University, 1997.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Sama, Isa Mohammed. Governance and Accountability: A Comparative Study of Murtala-Obasanjo and Shagari Regimes in Nigeria. Department of Politics & International Relations, Lancaster University, 1997.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.