Philippines. National Statistics Office. (1990). 1990 census of population and housing: Population by city, municipality, and barangay. NSO.
Citação do estilo Chicago (17ª ed.)Philippines. National Statistics Office. 1990 Census of Population and Housing: Population by City, Municipality, and Barangay. Manila: NSO, 1990.
Citação MLA (9ª ed.)Philippines. National Statistics Office. 1990 Census of Population and Housing: Population by City, Municipality, and Barangay. NSO, 1990.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.