Philippines National Statistics Office. (2009). 2007 census of population: Population by province, city / municipality and barangay. NSO.
芝加哥风格引文Philippines National Statistics Office. 2007 Census of Population: Population by Province, City / Municipality and Barangay. Manila: NSO, 2009.
MLA引文Philippines National Statistics Office. 2007 Census of Population: Population by Province, City / Municipality and Barangay. NSO, 2009.
警告：这些引文格式不一定是100％准确.