(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.
Čikaški stil citiranja (17. izdanje)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.
MLA način citiranja (9. izdanje)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.
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