Philippines (Republic). Bureau of the Census and Statistics. Report. [s.n.
Chicagoスタイル(17版)引用形式Philippines (Republic). Bureau of the Census and Statistics. Report. Manila: [s.n.
MLA(9版)引用形式Philippines (Republic). Bureau of the Census and Statistics. Report. [s.n.
警告: この引用は必ずしも正確ではありません.