Philippines. National Statistics Office. (1999). Ranking of provinces for selected poverty indicators. NSO.
Citazione stile Chigago Style (17a edizione)Philippines. National Statistics Office. Ranking of Provinces for Selected Poverty Indicators. Manila: NSO, 1999.
Citatione MLA (9a ed.)Philippines. National Statistics Office. Ranking of Provinces for Selected Poverty Indicators. NSO, 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.