Philippines. National Statistics Office. (2007). 2007 Philippine yearbook. National Statistics Office.
Cita Chicago Style (17a ed.)Philippines. National Statistics Office. 2007 Philippine Yearbook. Manila: National Statistics Office, 2007.
Cita MLA (9a ed.)Philippines. National Statistics Office. 2007 Philippine Yearbook. National Statistics Office, 2007.
Precaución: Estas citas no son 100% exactas.