(2018). STATE of Osun development plan: : 2019-2028/ Ministry of Economic Planning Budget and Development. Ministry of Economic Planning, Budget and Development.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)STATE of Osun Development Plan: : 2019-2028/ Ministry of Economic Planning Budget and Development. Ministry of Economic Planning, Budget and Development, 2018.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)STATE of Osun Development Plan: : 2019-2028/ Ministry of Economic Planning Budget and Development. Ministry of Economic Planning, Budget and Development, 2018.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.