Philippines (Republic). Bureau of the Census and Statistics. (1971). Census of population and housing, 1970: Advance report [by province] no. 1-26. [s.n.].
芝加哥风格引文Philippines (Republic). Bureau of the Census and Statistics. Census of Population and Housing, 1970: Advance Report [by Province] No. 1-26. Manila: [s.n.], 1971.
MLA引文Philippines (Republic). Bureau of the Census and Statistics. Census of Population and Housing, 1970: Advance Report [by Province] No. 1-26. [s.n.], 1971.
警告：这些引文格式不一定是100％准确.