Philippines. National Statistics Office. (2003). 2000 census of population and housing: Demographic and housing characteristics. NSO.
Chicago-referens (17:e uppl.)Philippines. National Statistics Office. 2000 Census of Population and Housing: Demographic and Housing Characteristics. Manila: NSO, 2003.
MLA-referens (9:e uppl.)Philippines. National Statistics Office. 2000 Census of Population and Housing: Demographic and Housing Characteristics. NSO, 2003.
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