Emery, J. J. (2000). Administrative barriers to foreign investment: Reducing red tape in Africa. World Bank.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Emery, James J. Administrative Barriers to Foreign Investment: Reducing Red Tape in Africa. Washington, D.C.: World Bank, 2000.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Emery, James J. Administrative Barriers to Foreign Investment: Reducing Red Tape in Africa. World Bank, 2000.