توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

(1973). Population distribution and its projection, province of Isabela: The social and environmental impact of the Magat river project. Institute of Planning, University of the Philippines.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Population Distribution and Its Projection, Province of Isabela: The Social and Environmental Impact of the Magat River Project. Quezon City: Institute of Planning, University of the Philippines, 1973.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Population Distribution and Its Projection, Province of Isabela: The Social and Environmental Impact of the Magat River Project. Institute of Planning, University of the Philippines, 1973.