Philippines (Republic). Commission on Population & University of the Philippines (Diliman). Population Institute. (1972). Philippine family planning chartbook: 1971-. [s.n.].
Cita Chicago (17th ed.)Philippines (Republic). Commission on Population i University of the Philippines (Diliman). Population Institute. Philippine Family Planning Chartbook: 1971-. Manila: [s.n.], 1972.
Cita MLA (9th ed.)Philippines (Republic). Commission on Population i University of the Philippines (Diliman). Population Institute. Philippine Family Planning Chartbook: 1971-. [s.n.], 1972.
Atenció: Aquestes cites poden no estar 100% correctes.