Philippines (Republic). Commission on Population & University of the Philippines (Diliman). Population Institute. (1972). Philippine family planning chartbook: 1971-. [s.n.].
Chicago-referens (17:e uppl.)Philippines (Republic). Commission on Population och University of the Philippines (Diliman). Population Institute. Philippine Family Planning Chartbook: 1971-. Manila: [s.n.], 1972.
MLA-referens (9:e uppl.)Philippines (Republic). Commission on Population och University of the Philippines (Diliman). Population Institute. Philippine Family Planning Chartbook: 1971-. [s.n.], 1972.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.