World Bank & Berrah, N. (2007). Sustainable energy in China: The closing window of opportunity. World Bank.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)World Bank و Noureddine Berrah. Sustainable Energy in China: The Closing Window of Opportunity. Washington, DC: World Bank, 2007.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)World Bank و Noureddine Berrah. Sustainable Energy in China: The Closing Window of Opportunity. World Bank, 2007.