University of the Philippines (Manila). Population Institute & Philippines. Commission on Population. (1972). Country statement: The Philippines.
Chicago Style aipamenaUniversity of the Philippines (Manila). Population Institute and Philippines. Commission on Population. Country Statement: The Philippines. 1972.
MLA aipamenaUniversity of the Philippines (Manila). Population Institute and Philippines. Commission on Population. Country Statement: The Philippines. 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.