Universiy of the Philippines (Quezon City). Institute of Planning & Viloria, L. A. (1973). The social and environmental impact of the Magat River Project: Background study for research in water resource development. IP, UP.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Universiy of the Philippines (Quezon City). Institute of Planning و Leandro A. Viloria. The Social and Environmental Impact of the Magat River Project: Background Study for Research in Water Resource Development. Quezon City: IP, UP, 1973.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Universiy of the Philippines (Quezon City). Institute of Planning و Leandro A. Viloria. The Social and Environmental Impact of the Magat River Project: Background Study for Research in Water Resource Development. IP, UP, 1973.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.