Zangina, S. (2020). Institutional environment, foreign direct investment and total investment in six selected low income and lower middle income Sub Sahara countries.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Zangina, Suleiman. Institutional Environment, Foreign Direct Investment and Total Investment in Six Selected Low Income and Lower Middle Income Sub Sahara Countries. 2020.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Zangina, Suleiman. Institutional Environment, Foreign Direct Investment and Total Investment in Six Selected Low Income and Lower Middle Income Sub Sahara Countries. 2020.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.