Philippines. Bureau of the Census and Statistics. (1972). Cumulative totals of families from lowest to high cost income class: 1965 and 1971. BCS.
Citazione stile Chigago Style (17a edizione)Philippines. Bureau of the Census and Statistics. Cumulative Totals of Families from Lowest to High Cost Income Class: 1965 and 1971. [Manila]: BCS, 1972.
Citatione MLA (9a ed.)Philippines. Bureau of the Census and Statistics. Cumulative Totals of Families from Lowest to High Cost Income Class: 1965 and 1971. BCS, 1972.
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