Population, Resources, Environment and the Philippine Future, Development Academy of the Philippines, University of the Philippines (Diliman). School of Economics, & University of the Philippines (Manila). Population Institute. (1975). A research program on population, resources, environment and the Philippine future: Phase II.
Παραπομπή σε μορφή Chicago (17η εκδ.)Population, Resources, Environment and the Philippine Future, Development Academy of the Philippines, University of the Philippines (Diliman). School of Economics, και University of the Philippines (Manila). Population Institute. A Research Program on Population, Resources, Environment and the Philippine Future: Phase II. 1975.
Παραπομπή σε μορφή MLA (9th εκδ.)Population, Resources, Environment and the Philippine Future, et al. A Research Program on Population, Resources, Environment and the Philippine Future: Phase II. 1975.