Bigio, A. G., & Dahiya, B. (2004). Urban environment and infrastructure: Toward livable cities. World Bank.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Bigio, Anthony G., و Bharat Dahiya. Urban Environment and Infrastructure: Toward Livable Cities. Washington, DC: World Bank, 2004.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Bigio, Anthony G., و Bharat Dahiya. Urban Environment and Infrastructure: Toward Livable Cities. World Bank, 2004.