University of the Philippines (Manila). Population Institute & Philippines. Commission on Population. (1972). Country statement: The Philippines.
Cita Chicago Style (17a ed.)University of the Philippines (Manila). Population Institute y Philippines. Commission on Population. Country Statement: The Philippines. 1972.
Cita MLA (9a ed.)University of the Philippines (Manila). Population Institute y Philippines. Commission on Population. Country Statement: The Philippines. 1972.
Precaución: Estas citas no son 100% exactas.