Usang, O. U. E. (2016). The impact of internal audit quality, effective internal controls, and institutional context factors on local government performance in Nigeria.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Usang, Obal Usang Edet. The Impact of Internal Audit Quality, Effective Internal Controls, and Institutional Context Factors on Local Government Performance in Nigeria. 2016.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Usang, Obal Usang Edet. The Impact of Internal Audit Quality, Effective Internal Controls, and Institutional Context Factors on Local Government Performance in Nigeria. 2016.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.