Citazione Stile APA (7a Edizione)

(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.

Citazione stile Chigago Style (17a edizione)

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.

Citatione MLA (9a ed.)

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.