Philippines (Republic). Commission on Population & University of the Philippines (Diliman). Population Institute. (1972). Philippine family planning chartbook: 1971-. [s.n.].
Παραπομπή σε μορφή Chicago (17η εκδ.)Philippines (Republic). Commission on Population και University of the Philippines (Diliman). Population Institute. Philippine Family Planning Chartbook: 1971-. Manila: [s.n.], 1972.
Παραπομπή σε μορφή MLA (9th εκδ.)Philippines (Republic). Commission on Population και University of the Philippines (Diliman). Population Institute. Philippine Family Planning Chartbook: 1971-. [s.n.], 1972.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.