Philippines. National Statistics Office. (2002). 1998 annual survey of establishments. NSO.
Citazione stile Chigago Style (17a edizione)Philippines. National Statistics Office. 1998 Annual Survey of Establishments. Manila: NSO, 2002.
Citatione MLA (9a ed.)Philippines. National Statistics Office. 1998 Annual Survey of Establishments. NSO, 2002.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.