Population Center Foundation. Population Information Division. (1988). Union catalog of population literature in Philippine libraries. Population Center Foundation.
Citazione stile Chigago Style (17a edizione)Population Center Foundation. Population Information Division. Union Catalog of Population Literature in Philippine Libraries. Makati, Metro Manila: Population Center Foundation, 1988.
Citatione MLA (9a ed.)Population Center Foundation. Population Information Division. Union Catalog of Population Literature in Philippine Libraries. Population Center Foundation, 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.