Philippines. National Statistics Office. (2008). 2000 census of Population and Housing: Special report on birth registration. NSO.
Chicago-viite (17. p.)Philippines. National Statistics Office. 2000 Census of Population and Housing: Special Report on Birth Registration. Manila: NSO, 2008.
MLA-viite (9. p.)Philippines. National Statistics Office. 2000 Census of Population and Housing: Special Report on Birth Registration. NSO, 2008.
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