World Bank. Operations Evaluation Dept. Infrastructure and Energy Division & Lee, K. S. (1996). Why manufacturing firms produce some electricity internally. World Bank, Operations Evaluation Department, Infrastructure and Energy Division.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)World Bank. Operations Evaluation Dept. Infrastructure and Energy Division و Kyu Sik Lee. Why Manufacturing Firms Produce Some Electricity Internally. Washington, D.C: World Bank, Operations Evaluation Department, Infrastructure and Energy Division, 1996.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)World Bank. Operations Evaluation Dept. Infrastructure and Energy Division و Kyu Sik Lee. Why Manufacturing Firms Produce Some Electricity Internally. World Bank, Operations Evaluation Department, Infrastructure and Energy Division, 1996.