University of the Philippines (Manila). Population Institute & Philippines. Commission on Population. (1972). Country statement: The Philippines.
Čikaški stil citiranja (17. izdanje)University of the Philippines (Manila). Population Institute i Philippines. Commission on Population. Country Statement: The Philippines. 1972.
MLA način citiranja (9. izdanje)University of the Philippines (Manila). Population Institute i Philippines. Commission on Population. Country Statement: The Philippines. 1972.
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