Population Center Foundation of the Philippines. Selective Dissemination of Information Project. (1981). Glossary of population terms: 192 commonly-used terms in demography, contraceptive technology, medicine, and related fields. The Center.
Cita Chicago (17th ed.)Population Center Foundation of the Philippines. Selective Dissemination of Information Project. Glossary of Population Terms: 192 Commonly-used Terms in Demography, Contraceptive Technology, Medicine, and Related Fields. Makati, Metro Manila: The Center, 1981.
Cita MLA (9th ed.)Population Center Foundation of the Philippines. Selective Dissemination of Information Project. Glossary of Population Terms: 192 Commonly-used Terms in Demography, Contraceptive Technology, Medicine, and Related Fields. The Center, 1981.