Pernia, E. M. (1975). Urbanization and internal migration. Population Institute, University of the Philippines System.
Chicago Style (17th ed.) CitationPernia, Ernesto M. Urbanization and Internal Migration. [Quezon City: Population Institute, University of the Philippines System, 1975.
MLA (9th ed.) CitationPernia, Ernesto M. Urbanization and Internal Migration. Population Institute, University of the Philippines System, 1975.
Warning: These citations may not always be 100% accurate.