National Economic and Development Authority. (1979). Philippine Standard Commodity Classification: Amendment no.1. NEDA.
Citazione stile Chigago Style (17a edizione)National Economic and Development Authority. Philippine Standard Commodity Classification: Amendment No.1. Manila: NEDA, 1979.
Citatione MLA (9a ed.)National Economic and Development Authority. Philippine Standard Commodity Classification: Amendment No.1. NEDA, 1979.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.