Pernia, E. M. (1991). Some aspects of urbanization and the environment in Southeast Asia. Asian Development Bank, Economics and Development Resource Center.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Pernia, Ernesto M. Some Aspects of Urbanization and the Environment in Southeast Asia. [Pasig, M.M.]: Asian Development Bank, Economics and Development Resource Center, 1991.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Pernia, Ernesto M. Some Aspects of Urbanization and the Environment in Southeast Asia. Asian Development Bank, Economics and Development Resource Center, 1991.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.