Παραπομπή σε μορφή APA (7η εκδ.)

(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.

Παραπομπή σε μορφή Chicago (17η εκδ.)

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.

Παραπομπή σε μορφή MLA (9th εκδ.)

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.