Philippines (Republic) Bureau of the Census and Statistics. (1966). Estimated population of the various age groups, by sex and provinces for the Philippines: 1960 to 1969. BCS.
Cita Chicago (17th ed.)Philippines (Republic) Bureau of the Census and Statistics. Estimated Population of the Various Age Groups, by Sex and Provinces for the Philippines: 1960 to 1969. Manila: BCS, 1966.
Cita MLA (9th ed.)Philippines (Republic) Bureau of the Census and Statistics. Estimated Population of the Various Age Groups, by Sex and Provinces for the Philippines: 1960 to 1969. BCS, 1966.
Atenció: Aquestes cites poden no estar 100% correctes.